Home / 7,228.14-10,842.15-3,719.13

Finding the Fourth Proportional to 7,228.14, 10,842.15 and 3,719.13

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Solution

The fourth proportional to 7,228.14, 10,842.15 and 3,719.13 is: 5,578.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,228.14 : 10,842.15 = 3,719.13 : x
  2. Step 2: Convert to fraction form
    7,228.14/10,842.15 = 3,719.13/x
  3. Step 3: Cross multiply
    7,228.14x = 10,842.15 × 3,719.13
  4. Step 4: Simplify right side
    7,228.14x = 40,323,365.33
  5. Step 5: Solve for x
    x = 40,323,365.33/7,228.14
  6. Step 6: Final answer
    x = 5,578.66

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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.