Home / 4,320.05-5,961.69-2,551.78

Finding the Fourth Proportional to 4,320.05, 5,961.69 and 2,551.78

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Solution

The fourth proportional to 4,320.05, 5,961.69 and 2,551.78 is: 3,521.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,320.05 : 5,961.69 = 2,551.78 : x
  2. Step 2: Convert to fraction form
    4,320.05/5,961.69 = 2,551.78/x
  3. Step 3: Cross multiply
    4,320.05x = 5,961.69 × 2,551.78
  4. Step 4: Simplify right side
    4,320.05x = 15,212,906.40
  5. Step 5: Solve for x
    x = 15,212,906.40/4,320.05
  6. Step 6: Final answer
    x = 3,521.46

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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.