Home / 4,983.20-7,439.76-3,807.04

Finding the Fourth Proportional to 4,983.20, 7,439.76 and 3,807.04

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Solution

The fourth proportional to 4,983.20, 7,439.76 and 3,807.04 is: 5,683.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,983.20 : 7,439.76 = 3,807.04 : x
  2. Step 2: Convert to fraction form
    4,983.20/7,439.76 = 3,807.04/x
  3. Step 3: Cross multiply
    4,983.20x = 7,439.76 × 3,807.04
  4. Step 4: Simplify right side
    4,983.20x = 28,323,463.91
  5. Step 5: Solve for x
    x = 28,323,463.91/4,983.20
  6. Step 6: Final answer
    x = 5,683.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.