Home / 4,989.12-7,452.08-3,881.95

Finding the Fourth Proportional to 4,989.12, 7,452.08 and 3,881.95

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Solution

The fourth proportional to 4,989.12, 7,452.08 and 3,881.95 is: 5,798.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,989.12 : 7,452.08 = 3,881.95 : x
  2. Step 2: Convert to fraction form
    4,989.12/7,452.08 = 3,881.95/x
  3. Step 3: Cross multiply
    4,989.12x = 7,452.08 × 3,881.95
  4. Step 4: Simplify right side
    4,989.12x = 28,928,601.96
  5. Step 5: Solve for x
    x = 28,928,601.96/4,989.12
  6. Step 6: Final answer
    x = 5,798.34

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.