Home / 4,561.72-6,290.97-2,880.22

Finding the Fourth Proportional to 4,561.72, 6,290.97 and 2,880.22

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Solution

The fourth proportional to 4,561.72, 6,290.97 and 2,880.22 is: 3,972.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,561.72 : 6,290.97 = 2,880.22 : x
  2. Step 2: Convert to fraction form
    4,561.72/6,290.97 = 2,880.22/x
  3. Step 3: Cross multiply
    4,561.72x = 6,290.97 × 2,880.22
  4. Step 4: Simplify right side
    4,561.72x = 18,119,377.61
  5. Step 5: Solve for x
    x = 18,119,377.61/4,561.72
  6. Step 6: Final answer
    x = 3,972.05

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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.