Home / 4,724.47-7,086.71-1,261.72

Finding the Fourth Proportional to 4,724.47, 7,086.71 and 1,261.72

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Solution

The fourth proportional to 4,724.47, 7,086.71 and 1,261.72 is: 1,892.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,724.47 : 7,086.71 = 1,261.72 : x
  2. Step 2: Convert to fraction form
    4,724.47/7,086.71 = 1,261.72/x
  3. Step 3: Cross multiply
    4,724.47x = 7,086.71 × 1,261.72
  4. Step 4: Simplify right side
    4,724.47x = 8,941,443.74
  5. Step 5: Solve for x
    x = 8,941,443.74/4,724.47
  6. Step 6: Final answer
    x = 1,892.58

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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.