Home / 7,239.76-10,861.28-2,309.69

Finding the Fourth Proportional to 7,239.76, 10,861.28 and 2,309.69

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Solution

The fourth proportional to 7,239.76, 10,861.28 and 2,309.69 is: 3,465.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,239.76 : 10,861.28 = 2,309.69 : x
  2. Step 2: Convert to fraction form
    7,239.76/10,861.28 = 2,309.69/x
  3. Step 3: Cross multiply
    7,239.76x = 10,861.28 × 2,309.69
  4. Step 4: Simplify right side
    7,239.76x = 25,086,189.80
  5. Step 5: Solve for x
    x = 25,086,189.80/7,239.76
  6. Step 6: Final answer
    x = 3,465.06

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1.5x scale

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.