Home / 7,287.44-10,057.56-4,143.92

Finding the Fourth Proportional to 7,287.44, 10,057.56 and 4,143.92

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Solution

The fourth proportional to 7,287.44, 10,057.56 and 4,143.92 is: 5,719.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,287.44 : 10,057.56 = 4,143.92 : x
  2. Step 2: Convert to fraction form
    7,287.44/10,057.56 = 4,143.92/x
  3. Step 3: Cross multiply
    7,287.44x = 10,057.56 × 4,143.92
  4. Step 4: Simplify right side
    7,287.44x = 41,677,724.04
  5. Step 5: Solve for x
    x = 41,677,724.04/7,287.44
  6. Step 6: Final answer
    x = 5,719.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.