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Finding the Fourth Proportional to 5,805.32, 8,708.18 and 1,910.02

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Solution

The fourth proportional to 5,805.32, 8,708.18 and 1,910.02 is: 2,865.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,805.32 : 8,708.18 = 1,910.02 : x
  2. Step 2: Convert to fraction form
    5,805.32/8,708.18 = 1,910.02/x
  3. Step 3: Cross multiply
    5,805.32x = 8,708.18 × 1,910.02
  4. Step 4: Simplify right side
    5,805.32x = 16,632,797.96
  5. Step 5: Solve for x
    x = 16,632,797.96/5,805.32
  6. Step 6: Final answer
    x = 2,865.10

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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.