Home / 8,248.39-12,378.66-5,132.98

Finding the Fourth Proportional to 8,248.39, 12,378.66 and 5,132.98

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Solution

The fourth proportional to 8,248.39, 12,378.66 and 5,132.98 is: 7,703.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,248.39 : 12,378.66 = 5,132.98 : x
  2. Step 2: Convert to fraction form
    8,248.39/12,378.66 = 5,132.98/x
  3. Step 3: Cross multiply
    8,248.39x = 12,378.66 × 5,132.98
  4. Step 4: Simplify right side
    8,248.39x = 63,539,414.21
  5. Step 5: Solve for x
    x = 63,539,414.21/8,248.39
  6. Step 6: Final answer
    x = 7,703.25

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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.