Home / 6,509.60-9,766.20-2,126.52

Finding the Fourth Proportional to 6,509.60, 9,766.20 and 2,126.52

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Solution

The fourth proportional to 6,509.60, 9,766.20 and 2,126.52 is: 3,190.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,509.60 : 9,766.20 = 2,126.52 : x
  2. Step 2: Convert to fraction form
    6,509.60/9,766.20 = 2,126.52/x
  3. Step 3: Cross multiply
    6,509.60x = 9,766.20 × 2,126.52
  4. Step 4: Simplify right side
    6,509.60x = 20,768,019.62
  5. Step 5: Solve for x
    x = 20,768,019.62/6,509.60
  6. Step 6: Final answer
    x = 3,190.37

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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.