Home / 4,988.22-7,474.12-3,954.86

Finding the Fourth Proportional to 4,988.22, 7,474.12 and 3,954.86

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Solution

The fourth proportional to 4,988.22, 7,474.12 and 3,954.86 is: 5,925.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,988.22 : 7,474.12 = 3,954.86 : x
  2. Step 2: Convert to fraction form
    4,988.22/7,474.12 = 3,954.86/x
  3. Step 3: Cross multiply
    4,988.22x = 7,474.12 × 3,954.86
  4. Step 4: Simplify right side
    4,988.22x = 29,559,098.22
  5. Step 5: Solve for x
    x = 29,559,098.22/4,988.22
  6. Step 6: Final answer
    x = 5,925.78

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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.