Home / 4,778.20-6,594.27-2,889.86

Finding the Fourth Proportional to 4,778.20, 6,594.27 and 2,889.86

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Solution

The fourth proportional to 4,778.20, 6,594.27 and 2,889.86 is: 3,988.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,778.20 : 6,594.27 = 2,889.86 : x
  2. Step 2: Convert to fraction form
    4,778.20/6,594.27 = 2,889.86/x
  3. Step 3: Cross multiply
    4,778.20x = 6,594.27 × 2,889.86
  4. Step 4: Simplify right side
    4,778.20x = 19,056,517.10
  5. Step 5: Solve for x
    x = 19,056,517.10/4,778.20
  6. Step 6: Final answer
    x = 3,988.22

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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.