Home / 7,819.04-11,724.18-5,356.64

Finding the Fourth Proportional to 7,819.04, 11,724.18 and 5,356.64

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Solution

The fourth proportional to 7,819.04, 11,724.18 and 5,356.64 is: 8,031.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,819.04 : 11,724.18 = 5,356.64 : x
  2. Step 2: Convert to fraction form
    7,819.04/11,724.18 = 5,356.64/x
  3. Step 3: Cross multiply
    7,819.04x = 11,724.18 × 5,356.64
  4. Step 4: Simplify right side
    7,819.04x = 62,802,211.56
  5. Step 5: Solve for x
    x = 62,802,211.56/7,819.04
  6. Step 6: Final answer
    x = 8,031.96

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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.