Home / 8,358.47-12,535.63-3,679.64

Finding the Fourth Proportional to 8,358.47, 12,535.63 and 3,679.64

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Solution

The fourth proportional to 8,358.47, 12,535.63 and 3,679.64 is: 5,518.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,358.47 : 12,535.63 = 3,679.64 : x
  2. Step 2: Convert to fraction form
    8,358.47/12,535.63 = 3,679.64/x
  3. Step 3: Cross multiply
    8,358.47x = 12,535.63 × 3,679.64
  4. Step 4: Simplify right side
    8,358.47x = 46,126,605.57
  5. Step 5: Solve for x
    x = 46,126,605.57/8,358.47
  6. Step 6: Final answer
    x = 5,518.55

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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.