Home / 4,006.08-5,521.92-2,825.28

Finding the Fourth Proportional to 4,006.08, 5,521.92 and 2,825.28

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Solution

The fourth proportional to 4,006.08, 5,521.92 and 2,825.28 is: 3,894.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,006.08 : 5,521.92 = 2,825.28 : x
  2. Step 2: Convert to fraction form
    4,006.08/5,521.92 = 2,825.28/x
  3. Step 3: Cross multiply
    4,006.08x = 5,521.92 × 2,825.28
  4. Step 4: Simplify right side
    4,006.08x = 15,600,970.14
  5. Step 5: Solve for x
    x = 15,600,970.14/4,006.08
  6. Step 6: Final answer
    x = 3,894.32

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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.