Home / 8,371.82-12,560.04-6,807.95

Finding the Fourth Proportional to 8,371.82, 12,560.04 and 6,807.95

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Solution

The fourth proportional to 8,371.82, 12,560.04 and 6,807.95 is: 10,213.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,371.82 : 12,560.04 = 6,807.95 : x
  2. Step 2: Convert to fraction form
    8,371.82/12,560.04 = 6,807.95/x
  3. Step 3: Cross multiply
    8,371.82x = 12,560.04 × 6,807.95
  4. Step 4: Simplify right side
    8,371.82x = 85,508,124.32
  5. Step 5: Solve for x
    x = 85,508,124.32/8,371.82
  6. Step 6: Final answer
    x = 10,213.80

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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.