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Finding the Fourth Proportional to 5,861.99, 8,793.68 and 3,670.90

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Solution

The fourth proportional to 5,861.99, 8,793.68 and 3,670.90 is: 5,506.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,861.99 : 8,793.68 = 3,670.90 : x
  2. Step 2: Convert to fraction form
    5,861.99/8,793.68 = 3,670.90/x
  3. Step 3: Cross multiply
    5,861.99x = 8,793.68 × 3,670.90
  4. Step 4: Simplify right side
    5,861.99x = 32,280,719.91
  5. Step 5: Solve for x
    x = 32,280,719.91/5,861.99
  6. Step 6: Final answer
    x = 5,506.79

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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.