Home / 8,418.88-12,630.36-5,958.52

Finding the Fourth Proportional to 8,418.88, 12,630.36 and 5,958.52

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Solution

The fourth proportional to 8,418.88, 12,630.36 and 5,958.52 is: 8,939.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,418.88 : 12,630.36 = 5,958.52 : x
  2. Step 2: Convert to fraction form
    8,418.88/12,630.36 = 5,958.52/x
  3. Step 3: Cross multiply
    8,418.88x = 12,630.36 × 5,958.52
  4. Step 4: Simplify right side
    8,418.88x = 75,258,252.67
  5. Step 5: Solve for x
    x = 75,258,252.67/8,418.88
  6. Step 6: Final answer
    x = 8,939.22

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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.