Home / 8,393.24-12,589.66-3,459.46

Finding the Fourth Proportional to 8,393.24, 12,589.66 and 3,459.46

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Solution

The fourth proportional to 8,393.24, 12,589.66 and 3,459.46 is: 5,189.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,393.24 : 12,589.66 = 3,459.46 : x
  2. Step 2: Convert to fraction form
    8,393.24/12,589.66 = 3,459.46/x
  3. Step 3: Cross multiply
    8,393.24x = 12,589.66 × 3,459.46
  4. Step 4: Simplify right side
    8,393.24x = 43,553,425.18
  5. Step 5: Solve for x
    x = 43,553,425.18/8,393.24
  6. Step 6: Final answer
    x = 5,189.11

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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.