Home / 4,391.80-6,061.56-2,899.78

Finding the Fourth Proportional to 4,391.80, 6,061.56 and 2,899.78

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Solution

The fourth proportional to 4,391.80, 6,061.56 and 2,899.78 is: 4,002.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,391.80 : 6,061.56 = 2,899.78 : x
  2. Step 2: Convert to fraction form
    4,391.80/6,061.56 = 2,899.78/x
  3. Step 3: Cross multiply
    4,391.80x = 6,061.56 × 2,899.78
  4. Step 4: Simplify right side
    4,391.80x = 17,577,190.46
  5. Step 5: Solve for x
    x = 17,577,190.46/4,391.80
  6. Step 6: Final answer
    x = 4,002.27

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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.