Home / 6,355.52-9,533.76-2,139.38

Finding the Fourth Proportional to 6,355.52, 9,533.76 and 2,139.38

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Solution

The fourth proportional to 6,355.52, 9,533.76 and 2,139.38 is: 3,209.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,355.52 : 9,533.76 = 2,139.38 : x
  2. Step 2: Convert to fraction form
    6,355.52/9,533.76 = 2,139.38/x
  3. Step 3: Cross multiply
    6,355.52x = 9,533.76 × 2,139.38
  4. Step 4: Simplify right side
    6,355.52x = 20,396,335.47
  5. Step 5: Solve for x
    x = 20,396,335.47/6,355.52
  6. Step 6: Final answer
    x = 3,209.23

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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.