Home / 8,721.27-13,082.72-2,877.93

Finding the Fourth Proportional to 8,721.27, 13,082.72 and 2,877.93

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Solution

The fourth proportional to 8,721.27, 13,082.72 and 2,877.93 is: 4,317.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,721.27 : 13,082.72 = 2,877.93 : x
  2. Step 2: Convert to fraction form
    8,721.27/13,082.72 = 2,877.93/x
  3. Step 3: Cross multiply
    8,721.27x = 13,082.72 × 2,877.93
  4. Step 4: Simplify right side
    8,721.27x = 37,651,137.98
  5. Step 5: Solve for x
    x = 37,651,137.98/8,721.27
  6. Step 6: Final answer
    x = 4,317.16

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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.