Home / 6,527.85-9,789.70-2,144.28

Finding the Fourth Proportional to 6,527.85, 9,789.70 and 2,144.28

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Solution

The fourth proportional to 6,527.85, 9,789.70 and 2,144.28 is: 3,215.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,527.85 : 9,789.70 = 2,144.28 : x
  2. Step 2: Convert to fraction form
    6,527.85/9,789.70 = 2,144.28/x
  3. Step 3: Cross multiply
    6,527.85x = 9,789.70 × 2,144.28
  4. Step 4: Simplify right side
    6,527.85x = 20,991,857.92
  5. Step 5: Solve for x
    x = 20,991,857.92/6,527.85
  6. Step 6: Final answer
    x = 3,215.74

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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.