Home / 4,787.04-7,177.80-2,187.48

Finding the Fourth Proportional to 4,787.04, 7,177.80 and 2,187.48

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Solution

The fourth proportional to 4,787.04, 7,177.80 and 2,187.48 is: 3,279.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,787.04 : 7,177.80 = 2,187.48 : x
  2. Step 2: Convert to fraction form
    4,787.04/7,177.80 = 2,187.48/x
  3. Step 3: Cross multiply
    4,787.04x = 7,177.80 × 2,187.48
  4. Step 4: Simplify right side
    4,787.04x = 15,701,293.94
  5. Step 5: Solve for x
    x = 15,701,293.94/4,787.04
  6. Step 6: Final answer
    x = 3,279.96

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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.