Home / 5,398.28-7,451.49-3,160.88

Finding the Fourth Proportional to 5,398.28, 7,451.49 and 3,160.88

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Solution

The fourth proportional to 5,398.28, 7,451.49 and 3,160.88 is: 4,363.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,398.28 : 7,451.49 = 3,160.88 : x
  2. Step 2: Convert to fraction form
    5,398.28/7,451.49 = 3,160.88/x
  3. Step 3: Cross multiply
    5,398.28x = 7,451.49 × 3,160.88
  4. Step 4: Simplify right side
    5,398.28x = 23,553,228.45
  5. Step 5: Solve for x
    x = 23,553,228.45/5,398.28
  6. Step 6: Final answer
    x = 4,363.10

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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.