Home / 5,424.72-7,482.24-3,329.76

Finding the Fourth Proportional to 5,424.72, 7,482.24 and 3,329.76

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Solution

The fourth proportional to 5,424.72, 7,482.24 and 3,329.76 is: 4,592.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,424.72 : 7,482.24 = 3,329.76 : x
  2. Step 2: Convert to fraction form
    5,424.72/7,482.24 = 3,329.76/x
  3. Step 3: Cross multiply
    5,424.72x = 7,482.24 × 3,329.76
  4. Step 4: Simplify right side
    5,424.72x = 24,914,063.46
  5. Step 5: Solve for x
    x = 24,914,063.46/5,424.72
  6. Step 6: Final answer
    x = 4,592.69

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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.