Home / 6,339.30-8,747.79-3,686.52

Finding the Fourth Proportional to 6,339.30, 8,747.79 and 3,686.52

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Solution

The fourth proportional to 6,339.30, 8,747.79 and 3,686.52 is: 5,087.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,339.30 : 8,747.79 = 3,686.52 : x
  2. Step 2: Convert to fraction form
    6,339.30/8,747.79 = 3,686.52/x
  3. Step 3: Cross multiply
    6,339.30x = 8,747.79 × 3,686.52
  4. Step 4: Simplify right side
    6,339.30x = 32,248,902.79
  5. Step 5: Solve for x
    x = 32,248,902.79/6,339.30
  6. Step 6: Final answer
    x = 5,087.14

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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.