Home / 5,424.69-7,487.44-3,068.20

Finding the Fourth Proportional to 5,424.69, 7,487.44 and 3,068.20

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Solution

The fourth proportional to 5,424.69, 7,487.44 and 3,068.20 is: 4,234.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,424.69 : 7,487.44 = 3,068.20 : x
  2. Step 2: Convert to fraction form
    5,424.69/7,487.44 = 3,068.20/x
  3. Step 3: Cross multiply
    5,424.69x = 7,487.44 × 3,068.20
  4. Step 4: Simplify right side
    5,424.69x = 22,972,922.98
  5. Step 5: Solve for x
    x = 22,972,922.98/5,424.69
  6. Step 6: Final answer
    x = 4,234.88

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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.