Home / 5,328.10-7,988.25-2,552.38

Finding the Fourth Proportional to 5,328.10, 7,988.25 and 2,552.38

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Solution

The fourth proportional to 5,328.10, 7,988.25 and 2,552.38 is: 3,826.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,328.10 : 7,988.25 = 2,552.38 : x
  2. Step 2: Convert to fraction form
    5,328.10/7,988.25 = 2,552.38/x
  3. Step 3: Cross multiply
    5,328.10x = 7,988.25 × 2,552.38
  4. Step 4: Simplify right side
    5,328.10x = 20,389,049.54
  5. Step 5: Solve for x
    x = 20,389,049.54/5,328.10
  6. Step 6: Final answer
    x = 3,826.70

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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.