Home / 5,101.07-7,039.45-2,862.95

Finding the Fourth Proportional to 5,101.07, 7,039.45 and 2,862.95

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Solution

The fourth proportional to 5,101.07, 7,039.45 and 2,862.95 is: 3,950.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,101.07 : 7,039.45 = 2,862.95 : x
  2. Step 2: Convert to fraction form
    5,101.07/7,039.45 = 2,862.95/x
  3. Step 3: Cross multiply
    5,101.07x = 7,039.45 × 2,862.95
  4. Step 4: Simplify right side
    5,101.07x = 20,153,593.38
  5. Step 5: Solve for x
    x = 20,153,593.38/5,101.07
  6. Step 6: Final answer
    x = 3,950.86

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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.