Home / 5,275.13-7,918.43-2,641.95

Finding the Fourth Proportional to 5,275.13, 7,918.43 and 2,641.95

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Solution

The fourth proportional to 5,275.13, 7,918.43 and 2,641.95 is: 3,965.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,275.13 : 7,918.43 = 2,641.95 : x
  2. Step 2: Convert to fraction form
    5,275.13/7,918.43 = 2,641.95/x
  3. Step 3: Cross multiply
    5,275.13x = 7,918.43 × 2,641.95
  4. Step 4: Simplify right side
    5,275.13x = 20,920,082.93
  5. Step 5: Solve for x
    x = 20,920,082.93/5,275.13
  6. Step 6: Final answer
    x = 3,965.80

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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.