Home / 5,568.90-7,685.73-3,211.13

Finding the Fourth Proportional to 5,568.90, 7,685.73 and 3,211.13

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Solution

The fourth proportional to 5,568.90, 7,685.73 and 3,211.13 is: 4,431.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,568.90 : 7,685.73 = 3,211.13 : x
  2. Step 2: Convert to fraction form
    5,568.90/7,685.73 = 3,211.13/x
  3. Step 3: Cross multiply
    5,568.90x = 7,685.73 × 3,211.13
  4. Step 4: Simplify right side
    5,568.90x = 24,679,839.75
  5. Step 5: Solve for x
    x = 24,679,839.75/5,568.90
  6. Step 6: Final answer
    x = 4,431.73

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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.