Home / 8,862.73-13,290.78-2,938.52

Finding the Fourth Proportional to 8,862.73, 13,290.78 and 2,938.52

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Solution

The fourth proportional to 8,862.73, 13,290.78 and 2,938.52 is: 4,406.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,862.73 : 13,290.78 = 2,938.52 : x
  2. Step 2: Convert to fraction form
    8,862.73/13,290.78 = 2,938.52/x
  3. Step 3: Cross multiply
    8,862.73x = 13,290.78 × 2,938.52
  4. Step 4: Simplify right side
    8,862.73x = 39,055,267.09
  5. Step 5: Solve for x
    x = 39,055,267.09/8,862.73
  6. Step 6: Final answer
    x = 4,406.69

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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.