Home / 5,565.84-7,680.34-3,327.28

Finding the Fourth Proportional to 5,565.84, 7,680.34 and 3,327.28

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Solution

The fourth proportional to 5,565.84, 7,680.34 and 3,327.28 is: 4,591.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,565.84 : 7,680.34 = 3,327.28 : x
  2. Step 2: Convert to fraction form
    5,565.84/7,680.34 = 3,327.28/x
  3. Step 3: Cross multiply
    5,565.84x = 7,680.34 × 3,327.28
  4. Step 4: Simplify right side
    5,565.84x = 25,554,641.68
  5. Step 5: Solve for x
    x = 25,554,641.68/5,565.84
  6. Step 6: Final answer
    x = 4,591.34

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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.