Home / 8,331.23-12,491.29-3,399.55

Finding the Fourth Proportional to 8,331.23, 12,491.29 and 3,399.55

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Solution

The fourth proportional to 8,331.23, 12,491.29 and 3,399.55 is: 5,097.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,331.23 : 12,491.29 = 3,399.55 : x
  2. Step 2: Convert to fraction form
    8,331.23/12,491.29 = 3,399.55/x
  3. Step 3: Cross multiply
    8,331.23x = 12,491.29 × 3,399.55
  4. Step 4: Simplify right side
    8,331.23x = 42,464,764.92
  5. Step 5: Solve for x
    x = 42,464,764.92/8,331.23
  6. Step 6: Final answer
    x = 5,097.06

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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.