Home / 4,275.39-6,407.69-3,641.79

Finding the Fourth Proportional to 4,275.39, 6,407.69 and 3,641.79

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Solution

The fourth proportional to 4,275.39, 6,407.69 and 3,641.79 is: 5,458.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,275.39 : 6,407.69 = 3,641.79 : x
  2. Step 2: Convert to fraction form
    4,275.39/6,407.69 = 3,641.79/x
  3. Step 3: Cross multiply
    4,275.39x = 6,407.69 × 3,641.79
  4. Step 4: Simplify right side
    4,275.39x = 23,335,443.16
  5. Step 5: Solve for x
    x = 23,335,443.16/4,275.39
  6. Step 6: Final answer
    x = 5,458.09

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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.