Home / 6,531.39-9,015.17-5,355.27

Finding the Fourth Proportional to 6,531.39, 9,015.17 and 5,355.27

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Solution

The fourth proportional to 6,531.39, 9,015.17 and 5,355.27 is: 7,391.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,531.39 : 9,015.17 = 5,355.27 : x
  2. Step 2: Convert to fraction form
    6,531.39/9,015.17 = 5,355.27/x
  3. Step 3: Cross multiply
    6,531.39x = 9,015.17 × 5,355.27
  4. Step 4: Simplify right side
    6,531.39x = 48,278,642.67
  5. Step 5: Solve for x
    x = 48,278,642.67/6,531.39
  6. Step 6: Final answer
    x = 7,391.79

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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.