Home / 7,731.55-10,669.75-4,194.76

Finding the Fourth Proportional to 7,731.55, 10,669.75 and 4,194.76

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Solution

The fourth proportional to 7,731.55, 10,669.75 and 4,194.76 is: 5,788.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,731.55 : 10,669.75 = 4,194.76 : x
  2. Step 2: Convert to fraction form
    7,731.55/10,669.75 = 4,194.76/x
  3. Step 3: Cross multiply
    7,731.55x = 10,669.75 × 4,194.76
  4. Step 4: Simplify right side
    7,731.55x = 44,757,023.35
  5. Step 5: Solve for x
    x = 44,757,023.35/7,731.55
  6. Step 6: Final answer
    x = 5,788.88

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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.