Home / 5,565.35-7,680.86-3,327.20

Finding the Fourth Proportional to 5,565.35, 7,680.86 and 3,327.20

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Solution

The fourth proportional to 5,565.35, 7,680.86 and 3,327.20 is: 4,591.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,565.35 : 7,680.86 = 3,327.20 : x
  2. Step 2: Convert to fraction form
    5,565.35/7,680.86 = 3,327.20/x
  3. Step 3: Cross multiply
    5,565.35x = 7,680.86 × 3,327.20
  4. Step 4: Simplify right side
    5,565.35x = 25,555,702.35
  5. Step 5: Solve for x
    x = 25,555,702.35/5,565.35
  6. Step 6: Final answer
    x = 4,591.93

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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.