Home / 7,009.68-10,518.66-2,849.38

Finding the Fourth Proportional to 7,009.68, 10,518.66 and 2,849.38

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Solution

The fourth proportional to 7,009.68, 10,518.66 and 2,849.38 is: 4,275.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,009.68 : 10,518.66 = 2,849.38 : x
  2. Step 2: Convert to fraction form
    7,009.68/10,518.66 = 2,849.38/x
  3. Step 3: Cross multiply
    7,009.68x = 10,518.66 × 2,849.38
  4. Step 4: Simplify right side
    7,009.68x = 29,971,659.43
  5. Step 5: Solve for x
    x = 29,971,659.43/7,009.68
  6. Step 6: Final answer
    x = 4,275.75

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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.