Home / 5,688.92-7,851.18-3,170.69

Finding the Fourth Proportional to 5,688.92, 7,851.18 and 3,170.69

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Solution

The fourth proportional to 5,688.92, 7,851.18 and 3,170.69 is: 4,375.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,688.92 : 7,851.18 = 3,170.69 : x
  2. Step 2: Convert to fraction form
    5,688.92/7,851.18 = 3,170.69/x
  3. Step 3: Cross multiply
    5,688.92x = 7,851.18 × 3,170.69
  4. Step 4: Simplify right side
    5,688.92x = 24,893,618.66
  5. Step 5: Solve for x
    x = 24,893,618.66/5,688.92
  6. Step 6: Final answer
    x = 4,375.81

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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.