Home / 5,660.68-7,812.14-3,143.04

Finding the Fourth Proportional to 5,660.68, 7,812.14 and 3,143.04

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Solution

The fourth proportional to 5,660.68, 7,812.14 and 3,143.04 is: 4,337.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,660.68 : 7,812.14 = 3,143.04 : x
  2. Step 2: Convert to fraction form
    5,660.68/7,812.14 = 3,143.04/x
  3. Step 3: Cross multiply
    5,660.68x = 7,812.14 × 3,143.04
  4. Step 4: Simplify right side
    5,660.68x = 24,553,868.51
  5. Step 5: Solve for x
    x = 24,553,868.51/5,660.68
  6. Step 6: Final answer
    x = 4,337.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.