Home / 7,731.01-10,668.85-4,194.22

Finding the Fourth Proportional to 7,731.01, 10,668.85 and 4,194.22

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Solution

The fourth proportional to 7,731.01, 10,668.85 and 4,194.22 is: 5,788.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,731.01 : 10,668.85 = 4,194.22 : x
  2. Step 2: Convert to fraction form
    7,731.01/10,668.85 = 4,194.22/x
  3. Step 3: Cross multiply
    7,731.01x = 10,668.85 × 4,194.22
  4. Step 4: Simplify right side
    7,731.01x = 44,747,504.05
  5. Step 5: Solve for x
    x = 44,747,504.05/7,731.01
  6. Step 6: Final answer
    x = 5,788.05

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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.