Home / 4,561.22-6,290.28-2,879.72

Finding the Fourth Proportional to 4,561.22, 6,290.28 and 2,879.72

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Solution

The fourth proportional to 4,561.22, 6,290.28 and 2,879.72 is: 3,971.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,561.22 : 6,290.28 = 2,879.72 : x
  2. Step 2: Convert to fraction form
    4,561.22/6,290.28 = 2,879.72/x
  3. Step 3: Cross multiply
    4,561.22x = 6,290.28 × 2,879.72
  4. Step 4: Simplify right side
    4,561.22x = 18,114,213.67
  5. Step 5: Solve for x
    x = 18,114,213.67/4,561.22
  6. Step 6: Final answer
    x = 3,971.36

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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.