Home / 5,565.46-7,680.58-3,207.94

Finding the Fourth Proportional to 5,565.46, 7,680.58 and 3,207.94

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Solution

The fourth proportional to 5,565.46, 7,680.58 and 3,207.94 is: 4,427.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,565.46 : 7,680.58 = 3,207.94 : x
  2. Step 2: Convert to fraction form
    5,565.46/7,680.58 = 3,207.94/x
  3. Step 3: Cross multiply
    5,565.46x = 7,680.58 × 3,207.94
  4. Step 4: Simplify right side
    5,565.46x = 24,638,839.81
  5. Step 5: Solve for x
    x = 24,638,839.81/5,565.46
  6. Step 6: Final answer
    x = 4,427.10

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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.