Home / 5,434.43-7,500.14-3,311.20

Finding the Fourth Proportional to 5,434.43, 7,500.14 and 3,311.20

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Solution

The fourth proportional to 5,434.43, 7,500.14 and 3,311.20 is: 4,569.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,434.43 : 7,500.14 = 3,311.20 : x
  2. Step 2: Convert to fraction form
    5,434.43/7,500.14 = 3,311.20/x
  3. Step 3: Cross multiply
    5,434.43x = 7,500.14 × 3,311.20
  4. Step 4: Simplify right side
    5,434.43x = 24,834,463.57
  5. Step 5: Solve for x
    x = 24,834,463.57/5,434.43
  6. Step 6: Final answer
    x = 4,569.84

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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.