Home / 6,862.13-9,469.68-3,718.31

Finding the Fourth Proportional to 6,862.13, 9,469.68 and 3,718.31

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Solution

The fourth proportional to 6,862.13, 9,469.68 and 3,718.31 is: 5,131.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,862.13 : 9,469.68 = 3,718.31 : x
  2. Step 2: Convert to fraction form
    6,862.13/9,469.68 = 3,718.31/x
  3. Step 3: Cross multiply
    6,862.13x = 9,469.68 × 3,718.31
  4. Step 4: Simplify right side
    6,862.13x = 35,211,205.84
  5. Step 5: Solve for x
    x = 35,211,205.84/6,862.13
  6. Step 6: Final answer
    x = 5,131.24

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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.