Home / 4,787.80-6,606.78-2,799.52

Finding the Fourth Proportional to 4,787.80, 6,606.78 and 2,799.52

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Solution

The fourth proportional to 4,787.80, 6,606.78 and 2,799.52 is: 3,863.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,787.80 : 6,606.78 = 2,799.52 : x
  2. Step 2: Convert to fraction form
    4,787.80/6,606.78 = 2,799.52/x
  3. Step 3: Cross multiply
    4,787.80x = 6,606.78 × 2,799.52
  4. Step 4: Simplify right side
    4,787.80x = 18,495,812.75
  5. Step 5: Solve for x
    x = 18,495,812.75/4,787.80
  6. Step 6: Final answer
    x = 3,863.11

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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.