Home / 4,772.52-7,158.78-1,310.04

Finding the Fourth Proportional to 4,772.52, 7,158.78 and 1,310.04

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Solution

The fourth proportional to 4,772.52, 7,158.78 and 1,310.04 is: 1,965.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,772.52 : 7,158.78 = 1,310.04 : x
  2. Step 2: Convert to fraction form
    4,772.52/7,158.78 = 1,310.04/x
  3. Step 3: Cross multiply
    4,772.52x = 7,158.78 × 1,310.04
  4. Step 4: Simplify right side
    4,772.52x = 9,378,288.15
  5. Step 5: Solve for x
    x = 9,378,288.15/4,772.52
  6. Step 6: Final answer
    x = 1,965.06

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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.