Home / 8,371.45-12,559.49-6,807.59

Finding the Fourth Proportional to 8,371.45, 12,559.49 and 6,807.59

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Solution

The fourth proportional to 8,371.45, 12,559.49 and 6,807.59 is: 10,213.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,371.45 : 12,559.49 = 6,807.59 : x
  2. Step 2: Convert to fraction form
    8,371.45/12,559.49 = 6,807.59/x
  3. Step 3: Cross multiply
    8,371.45x = 12,559.49 × 6,807.59
  4. Step 4: Simplify right side
    8,371.45x = 85,499,761.69
  5. Step 5: Solve for x
    x = 85,499,761.69/8,371.45
  6. Step 6: Final answer
    x = 10,213.26

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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.