Home / 7,261.70-10,882.98-2,876.76

Finding the Fourth Proportional to 7,261.70, 10,882.98 and 2,876.76

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Solution

The fourth proportional to 7,261.70, 10,882.98 and 2,876.76 is: 4,311.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,261.70 : 10,882.98 = 2,876.76 : x
  2. Step 2: Convert to fraction form
    7,261.70/10,882.98 = 2,876.76/x
  3. Step 3: Cross multiply
    7,261.70x = 10,882.98 × 2,876.76
  4. Step 4: Simplify right side
    7,261.70x = 31,307,721.54
  5. Step 5: Solve for x
    x = 31,307,721.54/7,261.70
  6. Step 6: Final answer
    x = 4,311.35

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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.