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Finding the Fourth Proportional to 6,492.78, 9,739.14 and 2,110.50

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Solution

The fourth proportional to 6,492.78, 9,739.14 and 2,110.50 is: 3,165.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,492.78 : 9,739.14 = 2,110.50 : x
  2. Step 2: Convert to fraction form
    6,492.78/9,739.14 = 2,110.50/x
  3. Step 3: Cross multiply
    6,492.78x = 9,739.14 × 2,110.50
  4. Step 4: Simplify right side
    6,492.78x = 20,554,454.97
  5. Step 5: Solve for x
    x = 20,554,454.97/6,492.78
  6. Step 6: Final answer
    x = 3,165.74

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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.