Home / 8,350.24-12,508.35-5,419.66

Finding the Fourth Proportional to 8,350.24, 12,508.35 and 5,419.66

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Solution

The fourth proportional to 8,350.24, 12,508.35 and 5,419.66 is: 8,118.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,350.24 : 12,508.35 = 5,419.66 : x
  2. Step 2: Convert to fraction form
    8,350.24/12,508.35 = 5,419.66/x
  3. Step 3: Cross multiply
    8,350.24x = 12,508.35 × 5,419.66
  4. Step 4: Simplify right side
    8,350.24x = 67,791,004.16
  5. Step 5: Solve for x
    x = 67,791,004.16/8,350.24
  6. Step 6: Final answer
    x = 8,118.45

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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.