Home / 9,324.78-12,864.15-5,344.98

Finding the Fourth Proportional to 9,324.78, 12,864.15 and 5,344.98

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Solution

The fourth proportional to 9,324.78, 12,864.15 and 5,344.98 is: 7,373.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,324.78 : 12,864.15 = 5,344.98 : x
  2. Step 2: Convert to fraction form
    9,324.78/12,864.15 = 5,344.98/x
  3. Step 3: Cross multiply
    9,324.78x = 12,864.15 × 5,344.98
  4. Step 4: Simplify right side
    9,324.78x = 68,758,624.47
  5. Step 5: Solve for x
    x = 68,758,624.47/9,324.78
  6. Step 6: Final answer
    x = 7,373.75

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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.