Home / 8,350.38-12,521.52-3,156.66

Finding the Fourth Proportional to 8,350.38, 12,521.52 and 3,156.66

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Solution

The fourth proportional to 8,350.38, 12,521.52 and 3,156.66 is: 4,733.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,350.38 : 12,521.52 = 3,156.66 : x
  2. Step 2: Convert to fraction form
    8,350.38/12,521.52 = 3,156.66/x
  3. Step 3: Cross multiply
    8,350.38x = 12,521.52 × 3,156.66
  4. Step 4: Simplify right side
    8,350.38x = 39,526,181.32
  5. Step 5: Solve for x
    x = 39,526,181.32/8,350.38
  6. Step 6: Final answer
    x = 4,733.46

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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.