Home / 4,502.40-6,749.28-1,578.75

Finding the Fourth Proportional to 4,502.40, 6,749.28 and 1,578.75

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Solution

The fourth proportional to 4,502.40, 6,749.28 and 1,578.75 is: 2,366.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,502.40 : 6,749.28 = 1,578.75 : x
  2. Step 2: Convert to fraction form
    4,502.40/6,749.28 = 1,578.75/x
  3. Step 3: Cross multiply
    4,502.40x = 6,749.28 × 1,578.75
  4. Step 4: Simplify right side
    4,502.40x = 10,655,425.80
  5. Step 5: Solve for x
    x = 10,655,425.80/4,502.40
  6. Step 6: Final answer
    x = 2,366.61

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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.