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Finding the Fourth Proportional to 5,920.51, 8,880.76 and 2,999.65

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Solution

The fourth proportional to 5,920.51, 8,880.76 and 2,999.65 is: 4,499.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,920.51 : 8,880.76 = 2,999.65 : x
  2. Step 2: Convert to fraction form
    5,920.51/8,880.76 = 2,999.65/x
  3. Step 3: Cross multiply
    5,920.51x = 8,880.76 × 2,999.65
  4. Step 4: Simplify right side
    5,920.51x = 26,639,153.28
  5. Step 5: Solve for x
    x = 26,639,153.28/5,920.51
  6. Step 6: Final answer
    x = 4,499.47

Related Problems

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.