Home / 4,143.65-5,714.30-3,197.91

Finding the Fourth Proportional to 4,143.65, 5,714.30 and 3,197.91

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Solution

The fourth proportional to 4,143.65, 5,714.30 and 3,197.91 is: 4,410.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,143.65 : 5,714.30 = 3,197.91 : x
  2. Step 2: Convert to fraction form
    4,143.65/5,714.30 = 3,197.91/x
  3. Step 3: Cross multiply
    4,143.65x = 5,714.30 × 3,197.91
  4. Step 4: Simplify right side
    4,143.65x = 18,273,801.12
  5. Step 5: Solve for x
    x = 18,273,801.12/4,143.65
  6. Step 6: Final answer
    x = 4,410.08

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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.