Home / 8,684.40-13,023.36-3,488.52

Finding the Fourth Proportional to 8,684.40, 13,023.36 and 3,488.52

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Solution

The fourth proportional to 8,684.40, 13,023.36 and 3,488.52 is: 5,231.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,684.40 : 13,023.36 = 3,488.52 : x
  2. Step 2: Convert to fraction form
    8,684.40/13,023.36 = 3,488.52/x
  3. Step 3: Cross multiply
    8,684.40x = 13,023.36 × 3,488.52
  4. Step 4: Simplify right side
    8,684.40x = 45,432,251.83
  5. Step 5: Solve for x
    x = 45,432,251.83/8,684.40
  6. Step 6: Final answer
    x = 5,231.48

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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.