Home / 4,677.15-6,454.31-2,787.76

Finding the Fourth Proportional to 4,677.15, 6,454.31 and 2,787.76

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Solution

The fourth proportional to 4,677.15, 6,454.31 and 2,787.76 is: 3,847.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,677.15 : 6,454.31 = 2,787.76 : x
  2. Step 2: Convert to fraction form
    4,677.15/6,454.31 = 2,787.76/x
  3. Step 3: Cross multiply
    4,677.15x = 6,454.31 × 2,787.76
  4. Step 4: Simplify right side
    4,677.15x = 17,993,021.04
  5. Step 5: Solve for x
    x = 17,993,021.04/4,677.15
  6. Step 6: Final answer
    x = 3,847.01

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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.