Home / 7,279.11-10,916.78-2,083.77

Finding the Fourth Proportional to 7,279.11, 10,916.78 and 2,083.77

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Solution

The fourth proportional to 7,279.11, 10,916.78 and 2,083.77 is: 3,125.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,279.11 : 10,916.78 = 2,083.77 : x
  2. Step 2: Convert to fraction form
    7,279.11/10,916.78 = 2,083.77/x
  3. Step 3: Cross multiply
    7,279.11x = 10,916.78 × 2,083.77
  4. Step 4: Simplify right side
    7,279.11x = 22,748,048.24
  5. Step 5: Solve for x
    x = 22,748,048.24/7,279.11
  6. Step 6: Final answer
    x = 3,125.11

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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.