Home / 6,370.29-8,791.55-3,718.55

Finding the Fourth Proportional to 6,370.29, 8,791.55 and 3,718.55

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Solution

The fourth proportional to 6,370.29, 8,791.55 and 3,718.55 is: 5,131.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,370.29 : 8,791.55 = 3,718.55 : x
  2. Step 2: Convert to fraction form
    6,370.29/8,791.55 = 3,718.55/x
  3. Step 3: Cross multiply
    6,370.29x = 8,791.55 × 3,718.55
  4. Step 4: Simplify right side
    6,370.29x = 32,691,849.53
  5. Step 5: Solve for x
    x = 32,691,849.53/6,370.29
  6. Step 6: Final answer
    x = 5,131.92

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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.