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Finding the Fourth Proportional to 5,760.74, 8,640.07 and 1,599.71

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Solution

The fourth proportional to 5,760.74, 8,640.07 and 1,599.71 is: 2,399.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,760.74 : 8,640.07 = 1,599.71 : x
  2. Step 2: Convert to fraction form
    5,760.74/8,640.07 = 1,599.71/x
  3. Step 3: Cross multiply
    5,760.74x = 8,640.07 × 1,599.71
  4. Step 4: Simplify right side
    5,760.74x = 13,821,559.18
  5. Step 5: Solve for x
    x = 13,821,559.18/5,760.74
  6. Step 6: Final answer
    x = 2,399.27

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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.