Home / 9,788.56-14,682.96-2,863.20

Finding the Fourth Proportional to 9,788.56, 14,682.96 and 2,863.20

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Solution

The fourth proportional to 9,788.56, 14,682.96 and 2,863.20 is: 4,294.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,788.56 : 14,682.96 = 2,863.20 : x
  2. Step 2: Convert to fraction form
    9,788.56/14,682.96 = 2,863.20/x
  3. Step 3: Cross multiply
    9,788.56x = 14,682.96 × 2,863.20
  4. Step 4: Simplify right side
    9,788.56x = 42,040,251.07
  5. Step 5: Solve for x
    x = 42,040,251.07/9,788.56
  6. Step 6: Final answer
    x = 4,294.84

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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.