Home / 6,511.60-8,986.03-3,527.43

Finding the Fourth Proportional to 6,511.60, 8,986.03 and 3,527.43

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Solution

The fourth proportional to 6,511.60, 8,986.03 and 3,527.43 is: 4,867.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,511.60 : 8,986.03 = 3,527.43 : x
  2. Step 2: Convert to fraction form
    6,511.60/8,986.03 = 3,527.43/x
  3. Step 3: Cross multiply
    6,511.60x = 8,986.03 × 3,527.43
  4. Step 4: Simplify right side
    6,511.60x = 31,697,591.80
  5. Step 5: Solve for x
    x = 31,697,591.80/6,511.60
  6. Step 6: Final answer
    x = 4,867.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.