Home / 4,787.40-6,606.66-2,691.50

Finding the Fourth Proportional to 4,787.40, 6,606.66 and 2,691.50

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Solution

The fourth proportional to 4,787.40, 6,606.66 and 2,691.50 is: 3,714.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,787.40 : 6,606.66 = 2,691.50 : x
  2. Step 2: Convert to fraction form
    4,787.40/6,606.66 = 2,691.50/x
  3. Step 3: Cross multiply
    4,787.40x = 6,606.66 × 2,691.50
  4. Step 4: Simplify right side
    4,787.40x = 17,781,825.39
  5. Step 5: Solve for x
    x = 17,781,825.39/4,787.40
  6. Step 6: Final answer
    x = 3,714.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.