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Finding the Fourth Proportional to 6,509.89, 9,761.19 and 2,609.74

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Solution

The fourth proportional to 6,509.89, 9,761.19 and 2,609.74 is: 3,913.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,509.89 : 9,761.19 = 2,609.74 : x
  2. Step 2: Convert to fraction form
    6,509.89/9,761.19 = 2,609.74/x
  3. Step 3: Cross multiply
    6,509.89x = 9,761.19 × 2,609.74
  4. Step 4: Simplify right side
    6,509.89x = 25,474,167.99
  5. Step 5: Solve for x
    x = 25,474,167.99/6,509.89
  6. Step 6: Final answer
    x = 3,913.15

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1.5x scale

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.