Home / 7,916.13-11,874.06-2,721.87

Finding the Fourth Proportional to 7,916.13, 11,874.06 and 2,721.87

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Solution

The fourth proportional to 7,916.13, 11,874.06 and 2,721.87 is: 4,082.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,916.13 : 11,874.06 = 2,721.87 : x
  2. Step 2: Convert to fraction form
    7,916.13/11,874.06 = 2,721.87/x
  3. Step 3: Cross multiply
    7,916.13x = 11,874.06 × 2,721.87
  4. Step 4: Simplify right side
    7,916.13x = 32,319,647.69
  5. Step 5: Solve for x
    x = 32,319,647.69/7,916.13
  6. Step 6: Final answer
    x = 4,082.76

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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.