Home / 4,811.52-7,217.32-1,348.72

Finding the Fourth Proportional to 4,811.52, 7,217.32 and 1,348.72

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Solution

The fourth proportional to 4,811.52, 7,217.32 and 1,348.72 is: 2,023.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,811.52 : 7,217.32 = 1,348.72 : x
  2. Step 2: Convert to fraction form
    4,811.52/7,217.32 = 1,348.72/x
  3. Step 3: Cross multiply
    4,811.52x = 7,217.32 × 1,348.72
  4. Step 4: Simplify right side
    4,811.52x = 9,734,143.83
  5. Step 5: Solve for x
    x = 9,734,143.83/4,811.52
  6. Step 6: Final answer
    x = 2,023.09

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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.