Home / 5,456.66-7,529.84-3,218.63

Finding the Fourth Proportional to 5,456.66, 7,529.84 and 3,218.63

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Solution

The fourth proportional to 5,456.66, 7,529.84 and 3,218.63 is: 4,441.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,456.66 : 7,529.84 = 3,218.63 : x
  2. Step 2: Convert to fraction form
    5,456.66/7,529.84 = 3,218.63/x
  3. Step 3: Cross multiply
    5,456.66x = 7,529.84 × 3,218.63
  4. Step 4: Simplify right side
    5,456.66x = 24,235,715.18
  5. Step 5: Solve for x
    x = 24,235,715.18/5,456.66
  6. Step 6: Final answer
    x = 4,441.50

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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.