Home / 4,941.60-7,402.68-2,988.96

Finding the Fourth Proportional to 4,941.60, 7,402.68 and 2,988.96

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Solution

The fourth proportional to 4,941.60, 7,402.68 and 2,988.96 is: 4,477.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,941.60 : 7,402.68 = 2,988.96 : x
  2. Step 2: Convert to fraction form
    4,941.60/7,402.68 = 2,988.96/x
  3. Step 3: Cross multiply
    4,941.60x = 7,402.68 × 2,988.96
  4. Step 4: Simplify right side
    4,941.60x = 22,126,314.41
  5. Step 5: Solve for x
    x = 22,126,314.41/4,941.60
  6. Step 6: Final answer
    x = 4,477.56

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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.