Home / 7,627.30-11,439.10-2,080.66

Finding the Fourth Proportional to 7,627.30, 11,439.10 and 2,080.66

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Solution

The fourth proportional to 7,627.30, 11,439.10 and 2,080.66 is: 3,120.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,627.30 : 11,439.10 = 2,080.66 : x
  2. Step 2: Convert to fraction form
    7,627.30/11,439.10 = 2,080.66/x
  3. Step 3: Cross multiply
    7,627.30x = 11,439.10 × 2,080.66
  4. Step 4: Simplify right side
    7,627.30x = 23,800,877.81
  5. Step 5: Solve for x
    x = 23,800,877.81/7,627.30
  6. Step 6: Final answer
    x = 3,120.49

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Half scale
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Double scale
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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.