Home / 5,909.70-8,861.40-1,749.13

Finding the Fourth Proportional to 5,909.70, 8,861.40 and 1,749.13

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Solution

The fourth proportional to 5,909.70, 8,861.40 and 1,749.13 is: 2,622.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,909.70 : 8,861.40 = 1,749.13 : x
  2. Step 2: Convert to fraction form
    5,909.70/8,861.40 = 1,749.13/x
  3. Step 3: Cross multiply
    5,909.70x = 8,861.40 × 1,749.13
  4. Step 4: Simplify right side
    5,909.70x = 15,499,740.58
  5. Step 5: Solve for x
    x = 15,499,740.58/5,909.70
  6. Step 6: Final answer
    x = 2,622.76

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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.