Home / 6,527.80-9,788.82-1,909.72

Finding the Fourth Proportional to 6,527.80, 9,788.82 and 1,909.72

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Solution

The fourth proportional to 6,527.80, 9,788.82 and 1,909.72 is: 2,863.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,527.80 : 9,788.82 = 1,909.72 : x
  2. Step 2: Convert to fraction form
    6,527.80/9,788.82 = 1,909.72/x
  3. Step 3: Cross multiply
    6,527.80x = 9,788.82 × 1,909.72
  4. Step 4: Simplify right side
    6,527.80x = 18,693,905.33
  5. Step 5: Solve for x
    x = 18,693,905.33/6,527.80
  6. Step 6: Final answer
    x = 2,863.74

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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.