Home / 4,092.08-5,645.28-2,578.72

Finding the Fourth Proportional to 4,092.08, 5,645.28 and 2,578.72

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Solution

The fourth proportional to 4,092.08, 5,645.28 and 2,578.72 is: 3,557.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,092.08 : 5,645.28 = 2,578.72 : x
  2. Step 2: Convert to fraction form
    4,092.08/5,645.28 = 2,578.72/x
  3. Step 3: Cross multiply
    4,092.08x = 5,645.28 × 2,578.72
  4. Step 4: Simplify right side
    4,092.08x = 14,557,588.08
  5. Step 5: Solve for x
    x = 14,557,588.08/4,092.08
  6. Step 6: Final answer
    x = 3,557.51

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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.