Home / 5,689.10-7,850.94-3,330.78

Finding the Fourth Proportional to 5,689.10, 7,850.94 and 3,330.78

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Solution

The fourth proportional to 5,689.10, 7,850.94 and 3,330.78 is: 4,596.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,689.10 : 7,850.94 = 3,330.78 : x
  2. Step 2: Convert to fraction form
    5,689.10/7,850.94 = 3,330.78/x
  3. Step 3: Cross multiply
    5,689.10x = 7,850.94 × 3,330.78
  4. Step 4: Simplify right side
    5,689.10x = 26,149,753.93
  5. Step 5: Solve for x
    x = 26,149,753.93/5,689.10
  6. Step 6: Final answer
    x = 4,596.47

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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.