Home / 7,006.52-9,665.70-4,172.28

Finding the Fourth Proportional to 7,006.52, 9,665.70 and 4,172.28

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Solution

The fourth proportional to 7,006.52, 9,665.70 and 4,172.28 is: 5,755.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,006.52 : 9,665.70 = 4,172.28 : x
  2. Step 2: Convert to fraction form
    7,006.52/9,665.70 = 4,172.28/x
  3. Step 3: Cross multiply
    7,006.52x = 9,665.70 × 4,172.28
  4. Step 4: Simplify right side
    7,006.52x = 40,328,006.80
  5. Step 5: Solve for x
    x = 40,328,006.80/7,006.52
  6. Step 6: Final answer
    x = 5,755.78

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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.