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Finding the Fourth Proportional to 5,562.46, 8,353.24 and 4,939.16

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Solution

The fourth proportional to 5,562.46, 8,353.24 and 4,939.16 is: 7,417.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,562.46 : 8,353.24 = 4,939.16 : x
  2. Step 2: Convert to fraction form
    5,562.46/8,353.24 = 4,939.16/x
  3. Step 3: Cross multiply
    5,562.46x = 8,353.24 × 4,939.16
  4. Step 4: Simplify right side
    5,562.46x = 41,257,988.88
  5. Step 5: Solve for x
    x = 41,257,988.88/5,562.46
  6. Step 6: Final answer
    x = 7,417.22

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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.