Home / 8,286.28-11,434.96-4,701.90

Finding the Fourth Proportional to 8,286.28, 11,434.96 and 4,701.90

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Solution

The fourth proportional to 8,286.28, 11,434.96 and 4,701.90 is: 6,488.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,286.28 : 11,434.96 = 4,701.90 : x
  2. Step 2: Convert to fraction form
    8,286.28/11,434.96 = 4,701.90/x
  3. Step 3: Cross multiply
    8,286.28x = 11,434.96 × 4,701.90
  4. Step 4: Simplify right side
    8,286.28x = 53,766,038.42
  5. Step 5: Solve for x
    x = 53,766,038.42/8,286.28
  6. Step 6: Final answer
    x = 6,488.56

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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.