Home / 5,265.22-7,897.81-2,144.53

Finding the Fourth Proportional to 5,265.22, 7,897.81 and 2,144.53

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Solution

The fourth proportional to 5,265.22, 7,897.81 and 2,144.53 is: 3,216.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,265.22 : 7,897.81 = 2,144.53 : x
  2. Step 2: Convert to fraction form
    5,265.22/7,897.81 = 2,144.53/x
  3. Step 3: Cross multiply
    5,265.22x = 7,897.81 × 2,144.53
  4. Step 4: Simplify right side
    5,265.22x = 16,937,065.37
  5. Step 5: Solve for x
    x = 16,937,065.37/5,265.22
  6. Step 6: Final answer
    x = 3,216.78

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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.