Home / 7,272.78-10,901.88-6,397.98

Finding the Fourth Proportional to 7,272.78, 10,901.88 and 6,397.98

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Solution

The fourth proportional to 7,272.78, 10,901.88 and 6,397.98 is: 9,590.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,272.78 : 10,901.88 = 6,397.98 : x
  2. Step 2: Convert to fraction form
    7,272.78/10,901.88 = 6,397.98/x
  3. Step 3: Cross multiply
    7,272.78x = 10,901.88 × 6,397.98
  4. Step 4: Simplify right side
    7,272.78x = 69,750,010.20
  5. Step 5: Solve for x
    x = 69,750,010.20/7,272.78
  6. Step 6: Final answer
    x = 9,590.56

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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.