Home / 4,407.22-6,081.76-2,639.80

Finding the Fourth Proportional to 4,407.22, 6,081.76 and 2,639.80

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Solution

The fourth proportional to 4,407.22, 6,081.76 and 2,639.80 is: 3,642.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,407.22 : 6,081.76 = 2,639.80 : x
  2. Step 2: Convert to fraction form
    4,407.22/6,081.76 = 2,639.80/x
  3. Step 3: Cross multiply
    4,407.22x = 6,081.76 × 2,639.80
  4. Step 4: Simplify right side
    4,407.22x = 16,054,630.05
  5. Step 5: Solve for x
    x = 16,054,630.05/4,407.22
  6. Step 6: Final answer
    x = 3,642.80

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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.