Home / 4,074.80-5,615.16-2,892.56

Finding the Fourth Proportional to 4,074.80, 5,615.16 and 2,892.56

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Solution

The fourth proportional to 4,074.80, 5,615.16 and 2,892.56 is: 3,986.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,074.80 : 5,615.16 = 2,892.56 : x
  2. Step 2: Convert to fraction form
    4,074.80/5,615.16 = 2,892.56/x
  3. Step 3: Cross multiply
    4,074.80x = 5,615.16 × 2,892.56
  4. Step 4: Simplify right side
    4,074.80x = 16,242,187.21
  5. Step 5: Solve for x
    x = 16,242,187.21/4,074.80
  6. Step 6: Final answer
    x = 3,986.01

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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.