Home / 5,251.25-7,876.56-2,328.57

Finding the Fourth Proportional to 5,251.25, 7,876.56 and 2,328.57

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Solution

The fourth proportional to 5,251.25, 7,876.56 and 2,328.57 is: 3,492.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,251.25 : 7,876.56 = 2,328.57 : x
  2. Step 2: Convert to fraction form
    5,251.25/7,876.56 = 2,328.57/x
  3. Step 3: Cross multiply
    5,251.25x = 7,876.56 × 2,328.57
  4. Step 4: Simplify right side
    5,251.25x = 18,341,121.32
  5. Step 5: Solve for x
    x = 18,341,121.32/5,251.25
  6. Step 6: Final answer
    x = 3,492.72

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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.