Home / 5,275.13-7,911.61-2,676.65

Finding the Fourth Proportional to 5,275.13, 7,911.61 and 2,676.65

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Solution

The fourth proportional to 5,275.13, 7,911.61 and 2,676.65 is: 4,014.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,275.13 : 7,911.61 = 2,676.65 : x
  2. Step 2: Convert to fraction form
    5,275.13/7,911.61 = 2,676.65/x
  3. Step 3: Cross multiply
    5,275.13x = 7,911.61 × 2,676.65
  4. Step 4: Simplify right side
    5,275.13x = 21,176,564.66
  5. Step 5: Solve for x
    x = 21,176,564.66/5,275.13
  6. Step 6: Final answer
    x = 4,014.42

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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.