Home / 6,441.72-9,661.20-2,059.56

Finding the Fourth Proportional to 6,441.72, 9,661.20 and 2,059.56

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Solution

The fourth proportional to 6,441.72, 9,661.20 and 2,059.56 is: 3,088.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,441.72 : 9,661.20 = 2,059.56 : x
  2. Step 2: Convert to fraction form
    6,441.72/9,661.20 = 2,059.56/x
  3. Step 3: Cross multiply
    6,441.72x = 9,661.20 × 2,059.56
  4. Step 4: Simplify right side
    6,441.72x = 19,897,821.07
  5. Step 5: Solve for x
    x = 19,897,821.07/6,441.72
  6. Step 6: Final answer
    x = 3,088.90

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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.