Home / 6,625.28-9,142.96-3,641.06

Finding the Fourth Proportional to 6,625.28, 9,142.96 and 3,641.06

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Solution

The fourth proportional to 6,625.28, 9,142.96 and 3,641.06 is: 5,024.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,625.28 : 9,142.96 = 3,641.06 : x
  2. Step 2: Convert to fraction form
    6,625.28/9,142.96 = 3,641.06/x
  3. Step 3: Cross multiply
    6,625.28x = 9,142.96 × 3,641.06
  4. Step 4: Simplify right side
    6,625.28x = 33,290,065.94
  5. Step 5: Solve for x
    x = 33,290,065.94/6,625.28
  6. Step 6: Final answer
    x = 5,024.70

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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.