Home / 4,881.04-7,321.96-1,418.56

Finding the Fourth Proportional to 4,881.04, 7,321.96 and 1,418.56

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Solution

The fourth proportional to 4,881.04, 7,321.96 and 1,418.56 is: 2,127.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,881.04 : 7,321.96 = 1,418.56 : x
  2. Step 2: Convert to fraction form
    4,881.04/7,321.96 = 1,418.56/x
  3. Step 3: Cross multiply
    4,881.04x = 7,321.96 × 1,418.56
  4. Step 4: Simplify right side
    4,881.04x = 10,386,639.58
  5. Step 5: Solve for x
    x = 10,386,639.58/4,881.04
  6. Step 6: Final answer
    x = 2,127.96

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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.