Home / 4,253.15-5,871.34-2,839.23

Finding the Fourth Proportional to 4,253.15, 5,871.34 and 2,839.23

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Solution

The fourth proportional to 4,253.15, 5,871.34 and 2,839.23 is: 3,919.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,253.15 : 5,871.34 = 2,839.23 : x
  2. Step 2: Convert to fraction form
    4,253.15/5,871.34 = 2,839.23/x
  3. Step 3: Cross multiply
    4,253.15x = 5,871.34 × 2,839.23
  4. Step 4: Simplify right side
    4,253.15x = 16,670,084.67
  5. Step 5: Solve for x
    x = 16,670,084.67/4,253.15
  6. Step 6: Final answer
    x = 3,919.47

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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.