Home / 4,881.25-7,306.15-3,216.75

Finding the Fourth Proportional to 4,881.25, 7,306.15 and 3,216.75

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Solution

The fourth proportional to 4,881.25, 7,306.15 and 3,216.75 is: 4,814.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,881.25 : 7,306.15 = 3,216.75 : x
  2. Step 2: Convert to fraction form
    4,881.25/7,306.15 = 3,216.75/x
  3. Step 3: Cross multiply
    4,881.25x = 7,306.15 × 3,216.75
  4. Step 4: Simplify right side
    4,881.25x = 23,502,058.01
  5. Step 5: Solve for x
    x = 23,502,058.01/4,881.25
  6. Step 6: Final answer
    x = 4,814.76

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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.