Home / 4,012.80-5,535.36-2,892.48

Finding the Fourth Proportional to 4,012.80, 5,535.36 and 2,892.48

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Solution

The fourth proportional to 4,012.80, 5,535.36 and 2,892.48 is: 3,989.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,012.80 : 5,535.36 = 2,892.48 : x
  2. Step 2: Convert to fraction form
    4,012.80/5,535.36 = 2,892.48/x
  3. Step 3: Cross multiply
    4,012.80x = 5,535.36 × 2,892.48
  4. Step 4: Simplify right side
    4,012.80x = 16,010,918.09
  5. Step 5: Solve for x
    x = 16,010,918.09/4,012.80
  6. Step 6: Final answer
    x = 3,989.96

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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.