Home / 8,337.83-11,445.95-7,156.85

Finding the Fourth Proportional to 8,337.83, 11,445.95 and 7,156.85

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Solution

The fourth proportional to 8,337.83, 11,445.95 and 7,156.85 is: 9,824.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,337.83 : 11,445.95 = 7,156.85 : x
  2. Step 2: Convert to fraction form
    8,337.83/11,445.95 = 7,156.85/x
  3. Step 3: Cross multiply
    8,337.83x = 11,445.95 × 7,156.85
  4. Step 4: Simplify right side
    8,337.83x = 81,916,854.24
  5. Step 5: Solve for x
    x = 81,916,854.24/8,337.83
  6. Step 6: Final answer
    x = 9,824.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.