Home / 8,264.25-11,405.27-5,121.05

Finding the Fourth Proportional to 8,264.25, 11,405.27 and 5,121.05

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Solution

The fourth proportional to 8,264.25, 11,405.27 and 5,121.05 is: 7,067.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,264.25 : 11,405.27 = 5,121.05 : x
  2. Step 2: Convert to fraction form
    8,264.25/11,405.27 = 5,121.05/x
  3. Step 3: Cross multiply
    8,264.25x = 11,405.27 × 5,121.05
  4. Step 4: Simplify right side
    8,264.25x = 58,406,913.71
  5. Step 5: Solve for x
    x = 58,406,913.71/8,264.25
  6. Step 6: Final answer
    x = 7,067.42

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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.