Home / 4,117.20-5,675.13-3,231.51

Finding the Fourth Proportional to 4,117.20, 5,675.13 and 3,231.51

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Solution

The fourth proportional to 4,117.20, 5,675.13 and 3,231.51 is: 4,454.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,117.20 : 5,675.13 = 3,231.51 : x
  2. Step 2: Convert to fraction form
    4,117.20/5,675.13 = 3,231.51/x
  3. Step 3: Cross multiply
    4,117.20x = 5,675.13 × 3,231.51
  4. Step 4: Simplify right side
    4,117.20x = 18,339,239.35
  5. Step 5: Solve for x
    x = 18,339,239.35/4,117.20
  6. Step 6: Final answer
    x = 4,454.30

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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.