Home / 7,630.47-11,445.71-3,245.13

Finding the Fourth Proportional to 7,630.47, 11,445.71 and 3,245.13

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Solution

The fourth proportional to 7,630.47, 11,445.71 and 3,245.13 is: 4,867.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,630.47 : 11,445.71 = 3,245.13 : x
  2. Step 2: Convert to fraction form
    7,630.47/11,445.71 = 3,245.13/x
  3. Step 3: Cross multiply
    7,630.47x = 11,445.71 × 3,245.13
  4. Step 4: Simplify right side
    7,630.47x = 37,142,800.67
  5. Step 5: Solve for x
    x = 37,142,800.67/7,630.47
  6. Step 6: Final answer
    x = 4,867.70

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Similar ratio
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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.