Home / 4,881.30-7,316.55-2,691.60

Finding the Fourth Proportional to 4,881.30, 7,316.55 and 2,691.60

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Solution

The fourth proportional to 4,881.30, 7,316.55 and 2,691.60 is: 4,034.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,881.30 : 7,316.55 = 2,691.60 : x
  2. Step 2: Convert to fraction form
    4,881.30/7,316.55 = 2,691.60/x
  3. Step 3: Cross multiply
    4,881.30x = 7,316.55 × 2,691.60
  4. Step 4: Simplify right side
    4,881.30x = 19,693,225.98
  5. Step 5: Solve for x
    x = 19,693,225.98/4,881.30
  6. Step 6: Final answer
    x = 4,034.42

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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.