Home / 4,255.85-5,872.19-2,487.11

Finding the Fourth Proportional to 4,255.85, 5,872.19 and 2,487.11

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Solution

The fourth proportional to 4,255.85, 5,872.19 and 2,487.11 is: 3,431.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,255.85 : 5,872.19 = 2,487.11 : x
  2. Step 2: Convert to fraction form
    4,255.85/5,872.19 = 2,487.11/x
  3. Step 3: Cross multiply
    4,255.85x = 5,872.19 × 2,487.11
  4. Step 4: Simplify right side
    4,255.85x = 14,604,803.37
  5. Step 5: Solve for x
    x = 14,604,803.37/4,255.85
  6. Step 6: Final answer
    x = 3,431.70

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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.