Home / 5,926.92-8,180.76-3,506.40

Finding the Fourth Proportional to 5,926.92, 8,180.76 and 3,506.40

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Solution

The fourth proportional to 5,926.92, 8,180.76 and 3,506.40 is: 4,839.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,926.92 : 8,180.76 = 3,506.40 : x
  2. Step 2: Convert to fraction form
    5,926.92/8,180.76 = 3,506.40/x
  3. Step 3: Cross multiply
    5,926.92x = 8,180.76 × 3,506.40
  4. Step 4: Simplify right side
    5,926.92x = 28,685,016.86
  5. Step 5: Solve for x
    x = 28,685,016.86/5,926.92
  6. Step 6: Final answer
    x = 4,839.78

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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.