Home / 6,680.97-9,219.89-4,327.21

Finding the Fourth Proportional to 6,680.97, 9,219.89 and 4,327.21

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Solution

The fourth proportional to 6,680.97, 9,219.89 and 4,327.21 is: 5,971.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,680.97 : 9,219.89 = 4,327.21 : x
  2. Step 2: Convert to fraction form
    6,680.97/9,219.89 = 4,327.21/x
  3. Step 3: Cross multiply
    6,680.97x = 9,219.89 × 4,327.21
  4. Step 4: Simplify right side
    6,680.97x = 39,896,400.21
  5. Step 5: Solve for x
    x = 39,896,400.21/6,680.97
  6. Step 6: Final answer
    x = 5,971.65

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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.