Home / 5,332.76-7,991.62-2,518.60

Finding the Fourth Proportional to 5,332.76, 7,991.62 and 2,518.60

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Solution

The fourth proportional to 5,332.76, 7,991.62 and 2,518.60 is: 3,774.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,332.76 : 7,991.62 = 2,518.60 : x
  2. Step 2: Convert to fraction form
    5,332.76/7,991.62 = 2,518.60/x
  3. Step 3: Cross multiply
    5,332.76x = 7,991.62 × 2,518.60
  4. Step 4: Simplify right side
    5,332.76x = 20,127,654.17
  5. Step 5: Solve for x
    x = 20,127,654.17/5,332.76
  6. Step 6: Final answer
    x = 3,774.34

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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.