Home / 8,771.64-13,158.53-2,926.95

Finding the Fourth Proportional to 8,771.64, 13,158.53 and 2,926.95

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Solution

The fourth proportional to 8,771.64, 13,158.53 and 2,926.95 is: 4,390.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,771.64 : 13,158.53 = 2,926.95 : x
  2. Step 2: Convert to fraction form
    8,771.64/13,158.53 = 2,926.95/x
  3. Step 3: Cross multiply
    8,771.64x = 13,158.53 × 2,926.95
  4. Step 4: Simplify right side
    8,771.64x = 38,514,344.75
  5. Step 5: Solve for x
    x = 38,514,344.75/8,771.64
  6. Step 6: Final answer
    x = 4,390.78

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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.