Home / 9,146.25-12,621.92-4,954.59

Finding the Fourth Proportional to 9,146.25, 12,621.92 and 4,954.59

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Solution

The fourth proportional to 9,146.25, 12,621.92 and 4,954.59 is: 6,837.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,146.25 : 12,621.92 = 4,954.59 : x
  2. Step 2: Convert to fraction form
    9,146.25/12,621.92 = 4,954.59/x
  3. Step 3: Cross multiply
    9,146.25x = 12,621.92 × 4,954.59
  4. Step 4: Simplify right side
    9,146.25x = 62,536,438.61
  5. Step 5: Solve for x
    x = 62,536,438.61/9,146.25
  6. Step 6: Final answer
    x = 6,837.39

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.