Home / 5,775.05-7,969.56-3,122.46

Finding the Fourth Proportional to 5,775.05, 7,969.56 and 3,122.46

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Solution

The fourth proportional to 5,775.05, 7,969.56 and 3,122.46 is: 4,308.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,775.05 : 7,969.56 = 3,122.46 : x
  2. Step 2: Convert to fraction form
    5,775.05/7,969.56 = 3,122.46/x
  3. Step 3: Cross multiply
    5,775.05x = 7,969.56 × 3,122.46
  4. Step 4: Simplify right side
    5,775.05x = 24,884,607.73
  5. Step 5: Solve for x
    x = 24,884,607.73/5,775.05
  6. Step 6: Final answer
    x = 4,308.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.