Home / 8,253.38-11,398.65-5,605.22

Finding the Fourth Proportional to 8,253.38, 11,398.65 and 5,605.22

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Solution

The fourth proportional to 8,253.38, 11,398.65 and 5,605.22 is: 7,741.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,253.38 : 11,398.65 = 5,605.22 : x
  2. Step 2: Convert to fraction form
    8,253.38/11,398.65 = 5,605.22/x
  3. Step 3: Cross multiply
    8,253.38x = 11,398.65 × 5,605.22
  4. Step 4: Simplify right side
    8,253.38x = 63,891,940.95
  5. Step 5: Solve for x
    x = 63,891,940.95/8,253.38
  6. Step 6: Final answer
    x = 7,741.31

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1.5x scale

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.