Home / 5,248.13-7,872.07-2,127.30

Finding the Fourth Proportional to 5,248.13, 7,872.07 and 2,127.30

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Solution

The fourth proportional to 5,248.13, 7,872.07 and 2,127.30 is: 3,190.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,248.13 : 7,872.07 = 2,127.30 : x
  2. Step 2: Convert to fraction form
    5,248.13/7,872.07 = 2,127.30/x
  3. Step 3: Cross multiply
    5,248.13x = 7,872.07 × 2,127.30
  4. Step 4: Simplify right side
    5,248.13x = 16,746,278.71
  5. Step 5: Solve for x
    x = 16,746,278.71/5,248.13
  6. Step 6: Final answer
    x = 3,190.90

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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.