Home / 6,505.60-9,759.36-2,609.92

Finding the Fourth Proportional to 6,505.60, 9,759.36 and 2,609.92

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Solution

The fourth proportional to 6,505.60, 9,759.36 and 2,609.92 is: 3,915.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,505.60 : 9,759.36 = 2,609.92 : x
  2. Step 2: Convert to fraction form
    6,505.60/9,759.36 = 2,609.92/x
  3. Step 3: Cross multiply
    6,505.60x = 9,759.36 × 2,609.92
  4. Step 4: Simplify right side
    6,505.60x = 25,471,148.85
  5. Step 5: Solve for x
    x = 25,471,148.85/6,505.60
  6. Step 6: Final answer
    x = 3,915.27

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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.