Home / 5,126.40-7,689.06-2,204.28

Finding the Fourth Proportional to 5,126.40, 7,689.06 and 2,204.28

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Solution

The fourth proportional to 5,126.40, 7,689.06 and 2,204.28 is: 3,306.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,126.40 : 7,689.06 = 2,204.28 : x
  2. Step 2: Convert to fraction form
    5,126.40/7,689.06 = 2,204.28/x
  3. Step 3: Cross multiply
    5,126.40x = 7,689.06 × 2,204.28
  4. Step 4: Simplify right side
    5,126.40x = 16,948,841.18
  5. Step 5: Solve for x
    x = 16,948,841.18/5,126.40
  6. Step 6: Final answer
    x = 3,306.19

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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.