Home / 5,015.16-7,518.69-2,095.65

Finding the Fourth Proportional to 5,015.16, 7,518.69 and 2,095.65

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Solution

The fourth proportional to 5,015.16, 7,518.69 and 2,095.65 is: 3,141.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,015.16 : 7,518.69 = 2,095.65 : x
  2. Step 2: Convert to fraction form
    5,015.16/7,518.69 = 2,095.65/x
  3. Step 3: Cross multiply
    5,015.16x = 7,518.69 × 2,095.65
  4. Step 4: Simplify right side
    5,015.16x = 15,756,542.70
  5. Step 5: Solve for x
    x = 15,756,542.70/5,015.16
  6. Step 6: Final answer
    x = 3,141.78

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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.