Home / 7,432.21-11,148.32-1,885.97

Finding the Fourth Proportional to 7,432.21, 11,148.32 and 1,885.97

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Solution

The fourth proportional to 7,432.21, 11,148.32 and 1,885.97 is: 2,828.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,432.21 : 11,148.32 = 1,885.97 : x
  2. Step 2: Convert to fraction form
    7,432.21/11,148.32 = 1,885.97/x
  3. Step 3: Cross multiply
    7,432.21x = 11,148.32 × 1,885.97
  4. Step 4: Simplify right side
    7,432.21x = 21,025,397.07
  5. Step 5: Solve for x
    x = 21,025,397.07/7,432.21
  6. Step 6: Final answer
    x = 2,828.96

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.