Home / 4,778.30-6,592.90-2,787.72

Finding the Fourth Proportional to 4,778.30, 6,592.90 and 2,787.72

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Solution

The fourth proportional to 4,778.30, 6,592.90 and 2,787.72 is: 3,846.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,778.30 : 6,592.90 = 2,787.72 : x
  2. Step 2: Convert to fraction form
    4,778.30/6,592.90 = 2,787.72/x
  3. Step 3: Cross multiply
    4,778.30x = 6,592.90 × 2,787.72
  4. Step 4: Simplify right side
    4,778.30x = 18,379,159.19
  5. Step 5: Solve for x
    x = 18,379,159.19/4,778.30
  6. Step 6: Final answer
    x = 3,846.38

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1.5x scale

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.