Home / 8,308.17-11,465.55-4,531.65

Finding the Fourth Proportional to 8,308.17, 11,465.55 and 4,531.65

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Solution

The fourth proportional to 8,308.17, 11,465.55 and 4,531.65 is: 6,253.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,308.17 : 11,465.55 = 4,531.65 : x
  2. Step 2: Convert to fraction form
    8,308.17/11,465.55 = 4,531.65/x
  3. Step 3: Cross multiply
    8,308.17x = 11,465.55 × 4,531.65
  4. Step 4: Simplify right side
    8,308.17x = 51,957,816.66
  5. Step 5: Solve for x
    x = 51,957,816.66/8,308.17
  6. Step 6: Final answer
    x = 6,253.82

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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.