Home / 4,828.20-7,231.76-2,876.10

Finding the Fourth Proportional to 4,828.20, 7,231.76 and 2,876.10

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Solution

The fourth proportional to 4,828.20, 7,231.76 and 2,876.10 is: 4,307.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,828.20 : 7,231.76 = 2,876.10 : x
  2. Step 2: Convert to fraction form
    4,828.20/7,231.76 = 2,876.10/x
  3. Step 3: Cross multiply
    4,828.20x = 7,231.76 × 2,876.10
  4. Step 4: Simplify right side
    4,828.20x = 20,799,264.94
  5. Step 5: Solve for x
    x = 20,799,264.94/4,828.20
  6. Step 6: Final answer
    x = 4,307.87

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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.