Home / 6,239.52-9,360.72-3,320.64

Finding the Fourth Proportional to 6,239.52, 9,360.72 and 3,320.64

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Solution

The fourth proportional to 6,239.52, 9,360.72 and 3,320.64 is: 4,981.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,239.52 : 9,360.72 = 3,320.64 : x
  2. Step 2: Convert to fraction form
    6,239.52/9,360.72 = 3,320.64/x
  3. Step 3: Cross multiply
    6,239.52x = 9,360.72 × 3,320.64
  4. Step 4: Simplify right side
    6,239.52x = 31,083,581.26
  5. Step 5: Solve for x
    x = 31,083,581.26/6,239.52
  6. Step 6: Final answer
    x = 4,981.73

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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.