Home / 9,239.76-12,752.04-5,261.82

Finding the Fourth Proportional to 9,239.76, 12,752.04 and 5,261.82

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Solution

The fourth proportional to 9,239.76, 12,752.04 and 5,261.82 is: 7,261.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,239.76 : 12,752.04 = 5,261.82 : x
  2. Step 2: Convert to fraction form
    9,239.76/12,752.04 = 5,261.82/x
  3. Step 3: Cross multiply
    9,239.76x = 12,752.04 × 5,261.82
  4. Step 4: Simplify right side
    9,239.76x = 67,098,939.11
  5. Step 5: Solve for x
    x = 67,098,939.11/9,239.76
  6. Step 6: Final answer
    x = 7,261.98

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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.