Home / 7,254.55-10,882.71-2,812.29

Finding the Fourth Proportional to 7,254.55, 10,882.71 and 2,812.29

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Solution

The fourth proportional to 7,254.55, 10,882.71 and 2,812.29 is: 4,218.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,254.55 : 10,882.71 = 2,812.29 : x
  2. Step 2: Convert to fraction form
    7,254.55/10,882.71 = 2,812.29/x
  3. Step 3: Cross multiply
    7,254.55x = 10,882.71 × 2,812.29
  4. Step 4: Simplify right side
    7,254.55x = 30,605,336.51
  5. Step 5: Solve for x
    x = 30,605,336.51/7,254.55
  6. Step 6: Final answer
    x = 4,218.78

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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.