Home / 9,385.12-14,077.68-3,229.60

Finding the Fourth Proportional to 9,385.12, 14,077.68 and 3,229.60

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Solution

The fourth proportional to 9,385.12, 14,077.68 and 3,229.60 is: 4,844.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,385.12 : 14,077.68 = 3,229.60 : x
  2. Step 2: Convert to fraction form
    9,385.12/14,077.68 = 3,229.60/x
  3. Step 3: Cross multiply
    9,385.12x = 14,077.68 × 3,229.60
  4. Step 4: Simplify right side
    9,385.12x = 45,465,275.33
  5. Step 5: Solve for x
    x = 45,465,275.33/9,385.12
  6. Step 6: Final answer
    x = 4,844.40

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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.