Home / 4,150.04-5,718.40-2,821.43

Finding the Fourth Proportional to 4,150.04, 5,718.40 and 2,821.43

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Solution

The fourth proportional to 4,150.04, 5,718.40 and 2,821.43 is: 3,887.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,150.04 : 5,718.40 = 2,821.43 : x
  2. Step 2: Convert to fraction form
    4,150.04/5,718.40 = 2,821.43/x
  3. Step 3: Cross multiply
    4,150.04x = 5,718.40 × 2,821.43
  4. Step 4: Simplify right side
    4,150.04x = 16,134,072.55
  5. Step 5: Solve for x
    x = 16,134,072.55/4,150.04
  6. Step 6: Final answer
    x = 3,887.70

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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.