Home / 7,731.42-10,669.32-4,194.69

Finding the Fourth Proportional to 7,731.42, 10,669.32 and 4,194.69

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Solution

The fourth proportional to 7,731.42, 10,669.32 and 4,194.69 is: 5,788.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,731.42 : 10,669.32 = 4,194.69 : x
  2. Step 2: Convert to fraction form
    7,731.42/10,669.32 = 4,194.69/x
  3. Step 3: Cross multiply
    7,731.42x = 10,669.32 × 4,194.69
  4. Step 4: Simplify right side
    7,731.42x = 44,754,489.91
  5. Step 5: Solve for x
    x = 44,754,489.91/7,731.42
  6. Step 6: Final answer
    x = 5,788.65

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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.