Home / 4,854.28-7,282.64-1,391.52

Finding the Fourth Proportional to 4,854.28, 7,282.64 and 1,391.52

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Solution

The fourth proportional to 4,854.28, 7,282.64 and 1,391.52 is: 2,087.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,854.28 : 7,282.64 = 1,391.52 : x
  2. Step 2: Convert to fraction form
    4,854.28/7,282.64 = 1,391.52/x
  3. Step 3: Cross multiply
    4,854.28x = 7,282.64 × 1,391.52
  4. Step 4: Simplify right side
    4,854.28x = 10,133,939.21
  5. Step 5: Solve for x
    x = 10,133,939.21/4,854.28
  6. Step 6: Final answer
    x = 2,087.63

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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.