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Finding the Fourth Proportional to 7,232.48, 10,831.03 and 6,531.28

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Solution

The fourth proportional to 7,232.48, 10,831.03 and 6,531.28 is: 9,780.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,232.48 : 10,831.03 = 6,531.28 : x
  2. Step 2: Convert to fraction form
    7,232.48/10,831.03 = 6,531.28/x
  3. Step 3: Cross multiply
    7,232.48x = 10,831.03 × 6,531.28
  4. Step 4: Simplify right side
    7,232.48x = 70,740,446.21
  5. Step 5: Solve for x
    x = 70,740,446.21/7,232.48
  6. Step 6: Final answer
    x = 9,780.94

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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.