Home / 8,380.15-12,570.12-2,536.76

Finding the Fourth Proportional to 8,380.15, 12,570.12 and 2,536.76

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Solution

The fourth proportional to 8,380.15, 12,570.12 and 2,536.76 is: 3,805.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,380.15 : 12,570.12 = 2,536.76 : x
  2. Step 2: Convert to fraction form
    8,380.15/12,570.12 = 2,536.76/x
  3. Step 3: Cross multiply
    8,380.15x = 12,570.12 × 2,536.76
  4. Step 4: Simplify right side
    8,380.15x = 31,887,377.61
  5. Step 5: Solve for x
    x = 31,887,377.61/8,380.15
  6. Step 6: Final answer
    x = 3,805.11

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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.