Home / 7,273.13-10,909.69-2,656.13

Finding the Fourth Proportional to 7,273.13, 10,909.69 and 2,656.13

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Solution

The fourth proportional to 7,273.13, 10,909.69 and 2,656.13 is: 3,984.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,273.13 : 10,909.69 = 2,656.13 : x
  2. Step 2: Convert to fraction form
    7,273.13/10,909.69 = 2,656.13/x
  3. Step 3: Cross multiply
    7,273.13x = 10,909.69 × 2,656.13
  4. Step 4: Simplify right side
    7,273.13x = 28,977,493.71
  5. Step 5: Solve for x
    x = 28,977,493.71/7,273.13
  6. Step 6: Final answer
    x = 3,984.19

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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.