Home / 4,254.07-5,872.06-2,640.21

Finding the Fourth Proportional to 4,254.07, 5,872.06 and 2,640.21

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Solution

The fourth proportional to 4,254.07, 5,872.06 and 2,640.21 is: 3,644.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,254.07 : 5,872.06 = 2,640.21 : x
  2. Step 2: Convert to fraction form
    4,254.07/5,872.06 = 2,640.21/x
  3. Step 3: Cross multiply
    4,254.07x = 5,872.06 × 2,640.21
  4. Step 4: Simplify right side
    4,254.07x = 15,503,471.53
  5. Step 5: Solve for x
    x = 15,503,471.53/4,254.07
  6. Step 6: Final answer
    x = 3,644.39

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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.