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Finding the Fourth Proportional to 8,061, 11,124.36 and 4,918.92

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Solution

The fourth proportional to 8,061, 11,124.36 and 4,918.92 is: 6,788.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,061 : 11,124.36 = 4,918.92 : x
  2. Step 2: Convert to fraction form
    8,061/11,124.36 = 4,918.92/x
  3. Step 3: Cross multiply
    8,061x = 11,124.36 × 4,918.92
  4. Step 4: Simplify right side
    8,061x = 54,719,836.89
  5. Step 5: Solve for x
    x = 54,719,836.89/8,061
  6. Step 6: Final answer
    x = 6,788.22

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Double scale
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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.