Home / 9,177.60-13,768.43-2,938.12

Finding the Fourth Proportional to 9,177.60, 13,768.43 and 2,938.12

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Solution

The fourth proportional to 9,177.60, 13,768.43 and 2,938.12 is: 4,407.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,177.60 : 13,768.43 = 2,938.12 : x
  2. Step 2: Convert to fraction form
    9,177.60/13,768.43 = 2,938.12/x
  3. Step 3: Cross multiply
    9,177.60x = 13,768.43 × 2,938.12
  4. Step 4: Simplify right side
    9,177.60x = 40,453,344.41
  5. Step 5: Solve for x
    x = 40,453,344.41/9,177.60
  6. Step 6: Final answer
    x = 4,407.83

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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.