Home / 4,776.30-7,155.18-2,689.95

Finding the Fourth Proportional to 4,776.30, 7,155.18 and 2,689.95

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Solution

The fourth proportional to 4,776.30, 7,155.18 and 2,689.95 is: 4,029.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,776.30 : 7,155.18 = 2,689.95 : x
  2. Step 2: Convert to fraction form
    4,776.30/7,155.18 = 2,689.95/x
  3. Step 3: Cross multiply
    4,776.30x = 7,155.18 × 2,689.95
  4. Step 4: Simplify right side
    4,776.30x = 19,247,076.44
  5. Step 5: Solve for x
    x = 19,247,076.44/4,776.30
  6. Step 6: Final answer
    x = 4,029.70

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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.