Home / 7,765.50-11,648.25-3,322.53

Finding the Fourth Proportional to 7,765.50, 11,648.25 and 3,322.53

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Solution

The fourth proportional to 7,765.50, 11,648.25 and 3,322.53 is: 4,983.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,765.50 : 11,648.25 = 3,322.53 : x
  2. Step 2: Convert to fraction form
    7,765.50/11,648.25 = 3,322.53/x
  3. Step 3: Cross multiply
    7,765.50x = 11,648.25 × 3,322.53
  4. Step 4: Simplify right side
    7,765.50x = 38,701,660.07
  5. Step 5: Solve for x
    x = 38,701,660.07/7,765.50
  6. Step 6: Final answer
    x = 4,983.80

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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.