Home / 8,468.29-11,691.95-5,286.43

Finding the Fourth Proportional to 8,468.29, 11,691.95 and 5,286.43

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Solution

The fourth proportional to 8,468.29, 11,691.95 and 5,286.43 is: 7,298.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,468.29 : 11,691.95 = 5,286.43 : x
  2. Step 2: Convert to fraction form
    8,468.29/11,691.95 = 5,286.43/x
  3. Step 3: Cross multiply
    8,468.29x = 11,691.95 × 5,286.43
  4. Step 4: Simplify right side
    8,468.29x = 61,808,675.24
  5. Step 5: Solve for x
    x = 61,808,675.24/8,468.29
  6. Step 6: Final answer
    x = 7,298.84

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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.