Home / 5,152.83-7,729.78-2,231.43

Finding the Fourth Proportional to 5,152.83, 7,729.78 and 2,231.43

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Solution

The fourth proportional to 5,152.83, 7,729.78 and 2,231.43 is: 3,347.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,152.83 : 7,729.78 = 2,231.43 : x
  2. Step 2: Convert to fraction form
    5,152.83/7,729.78 = 2,231.43/x
  3. Step 3: Cross multiply
    5,152.83x = 7,729.78 × 2,231.43
  4. Step 4: Simplify right side
    5,152.83x = 17,248,462.99
  5. Step 5: Solve for x
    x = 17,248,462.99/5,152.83
  6. Step 6: Final answer
    x = 3,347.38

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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.