Home / 5,417.25-8,129.13-2,339.25

Finding the Fourth Proportional to 5,417.25, 8,129.13 and 2,339.25

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Solution

The fourth proportional to 5,417.25, 8,129.13 and 2,339.25 is: 3,510.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,417.25 : 8,129.13 = 2,339.25 : x
  2. Step 2: Convert to fraction form
    5,417.25/8,129.13 = 2,339.25/x
  3. Step 3: Cross multiply
    5,417.25x = 8,129.13 × 2,339.25
  4. Step 4: Simplify right side
    5,417.25x = 19,016,067.35
  5. Step 5: Solve for x
    x = 19,016,067.35/5,417.25
  6. Step 6: Final answer
    x = 3,510.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.