Home / 6,515.64-9,770.20-2,132.56

Finding the Fourth Proportional to 6,515.64, 9,770.20 and 2,132.56

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Solution

The fourth proportional to 6,515.64, 9,770.20 and 2,132.56 is: 3,197.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,515.64 : 9,770.20 = 2,132.56 : x
  2. Step 2: Convert to fraction form
    6,515.64/9,770.20 = 2,132.56/x
  3. Step 3: Cross multiply
    6,515.64x = 9,770.20 × 2,132.56
  4. Step 4: Simplify right side
    6,515.64x = 20,835,537.71
  5. Step 5: Solve for x
    x = 20,835,537.71/6,515.64
  6. Step 6: Final answer
    x = 3,197.77

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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.