Home / 6,774.42-10,161.40-2,391.78

Finding the Fourth Proportional to 6,774.42, 10,161.40 and 2,391.78

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Solution

The fourth proportional to 6,774.42, 10,161.40 and 2,391.78 is: 3,587.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,774.42 : 10,161.40 = 2,391.78 : x
  2. Step 2: Convert to fraction form
    6,774.42/10,161.40 = 2,391.78/x
  3. Step 3: Cross multiply
    6,774.42x = 10,161.40 × 2,391.78
  4. Step 4: Simplify right side
    6,774.42x = 24,303,833.29
  5. Step 5: Solve for x
    x = 24,303,833.29/6,774.42
  6. Step 6: Final answer
    x = 3,587.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.