Home / 6,974.41-9,623.16-4,142.72

Finding the Fourth Proportional to 6,974.41, 9,623.16 and 4,142.72

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Solution

The fourth proportional to 6,974.41, 9,623.16 and 4,142.72 is: 5,716.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,974.41 : 9,623.16 = 4,142.72 : x
  2. Step 2: Convert to fraction form
    6,974.41/9,623.16 = 4,142.72/x
  3. Step 3: Cross multiply
    6,974.41x = 9,623.16 × 4,142.72
  4. Step 4: Simplify right side
    6,974.41x = 39,866,009.28
  5. Step 5: Solve for x
    x = 39,866,009.28/6,974.41
  6. Step 6: Final answer
    x = 5,716.04

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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.