Home / 5,608.85-8,402.29-4,125.38

Finding the Fourth Proportional to 5,608.85, 8,402.29 and 4,125.38

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Solution

The fourth proportional to 5,608.85, 8,402.29 and 4,125.38 is: 6,179.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,608.85 : 8,402.29 = 4,125.38 : x
  2. Step 2: Convert to fraction form
    5,608.85/8,402.29 = 4,125.38/x
  3. Step 3: Cross multiply
    5,608.85x = 8,402.29 × 4,125.38
  4. Step 4: Simplify right side
    5,608.85x = 34,662,586.80
  5. Step 5: Solve for x
    x = 34,662,586.80/5,608.85
  6. Step 6: Final answer
    x = 6,179.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.