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Finding the Fourth Proportional to 6,531.39, 9,007.11 and 4,295.16

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Solution

The fourth proportional to 6,531.39, 9,007.11 and 4,295.16 is: 5,923.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,531.39 : 9,007.11 = 4,295.16 : x
  2. Step 2: Convert to fraction form
    6,531.39/9,007.11 = 4,295.16/x
  3. Step 3: Cross multiply
    6,531.39x = 9,007.11 × 4,295.16
  4. Step 4: Simplify right side
    6,531.39x = 38,686,978.59
  5. Step 5: Solve for x
    x = 38,686,978.59/6,531.39
  6. Step 6: Final answer
    x = 5,923.24

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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.