Home / 6,862.64-9,470.42-3,718.82

Finding the Fourth Proportional to 6,862.64, 9,470.42 and 3,718.82

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Solution

The fourth proportional to 6,862.64, 9,470.42 and 3,718.82 is: 5,131.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,862.64 : 9,470.42 = 3,718.82 : x
  2. Step 2: Convert to fraction form
    6,862.64/9,470.42 = 3,718.82/x
  3. Step 3: Cross multiply
    6,862.64x = 9,470.42 × 3,718.82
  4. Step 4: Simplify right side
    6,862.64x = 35,218,787.30
  5. Step 5: Solve for x
    x = 35,218,787.30/6,862.64
  6. Step 6: Final answer
    x = 5,131.96

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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.