Home / 7,115.73-10,672.38-2,730.93

Finding the Fourth Proportional to 7,115.73, 10,672.38 and 2,730.93

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Solution

The fourth proportional to 7,115.73, 10,672.38 and 2,730.93 is: 4,095.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,115.73 : 10,672.38 = 2,730.93 : x
  2. Step 2: Convert to fraction form
    7,115.73/10,672.38 = 2,730.93/x
  3. Step 3: Cross multiply
    7,115.73x = 10,672.38 × 2,730.93
  4. Step 4: Simplify right side
    7,115.73x = 29,145,522.71
  5. Step 5: Solve for x
    x = 29,145,522.71/7,115.73
  6. Step 6: Final answer
    x = 4,095.93

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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.