Home / 5,385.61-8,062.75-3,299.28

Finding the Fourth Proportional to 5,385.61, 8,062.75 and 3,299.28

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Solution

The fourth proportional to 5,385.61, 8,062.75 and 3,299.28 is: 4,939.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,385.61 : 8,062.75 = 3,299.28 : x
  2. Step 2: Convert to fraction form
    5,385.61/8,062.75 = 3,299.28/x
  3. Step 3: Cross multiply
    5,385.61x = 8,062.75 × 3,299.28
  4. Step 4: Simplify right side
    5,385.61x = 26,601,269.82
  5. Step 5: Solve for x
    x = 26,601,269.82/5,385.61
  6. Step 6: Final answer
    x = 4,939.32

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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.