Home / 7,151.86-10,730.76-3,861.10

Finding the Fourth Proportional to 7,151.86, 10,730.76 and 3,861.10

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Solution

The fourth proportional to 7,151.86, 10,730.76 and 3,861.10 is: 5,793.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,151.86 : 10,730.76 = 3,861.10 : x
  2. Step 2: Convert to fraction form
    7,151.86/10,730.76 = 3,861.10/x
  3. Step 3: Cross multiply
    7,151.86x = 10,730.76 × 3,861.10
  4. Step 4: Simplify right side
    7,151.86x = 41,432,537.44
  5. Step 5: Solve for x
    x = 41,432,537.44/7,151.86
  6. Step 6: Final answer
    x = 5,793.25

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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.