Home / 6,140.52-9,212.40-3,218.04

Finding the Fourth Proportional to 6,140.52, 9,212.40 and 3,218.04

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Solution

The fourth proportional to 6,140.52, 9,212.40 and 3,218.04 is: 4,827.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,140.52 : 9,212.40 = 3,218.04 : x
  2. Step 2: Convert to fraction form
    6,140.52/9,212.40 = 3,218.04/x
  3. Step 3: Cross multiply
    6,140.52x = 9,212.40 × 3,218.04
  4. Step 4: Simplify right side
    6,140.52x = 29,645,871.70
  5. Step 5: Solve for x
    x = 29,645,871.70/6,140.52
  6. Step 6: Final answer
    x = 4,827.91

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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.