Home / 4,189.88-6,282.78-2,525.72

Finding the Fourth Proportional to 4,189.88, 6,282.78 and 2,525.72

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Solution

The fourth proportional to 4,189.88, 6,282.78 and 2,525.72 is: 3,787.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,189.88 : 6,282.78 = 2,525.72 : x
  2. Step 2: Convert to fraction form
    4,189.88/6,282.78 = 2,525.72/x
  3. Step 3: Cross multiply
    4,189.88x = 6,282.78 × 2,525.72
  4. Step 4: Simplify right side
    4,189.88x = 15,868,543.10
  5. Step 5: Solve for x
    x = 15,868,543.10/4,189.88
  6. Step 6: Final answer
    x = 3,787.35

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1.5x scale

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.