Home / 5,005.88-6,908.55-2,768.12

Finding the Fourth Proportional to 5,005.88, 6,908.55 and 2,768.12

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Solution

The fourth proportional to 5,005.88, 6,908.55 and 2,768.12 is: 3,820.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,005.88 : 6,908.55 = 2,768.12 : x
  2. Step 2: Convert to fraction form
    5,005.88/6,908.55 = 2,768.12/x
  3. Step 3: Cross multiply
    5,005.88x = 6,908.55 × 2,768.12
  4. Step 4: Simplify right side
    5,005.88x = 19,123,695.43
  5. Step 5: Solve for x
    x = 19,123,695.43/5,005.88
  6. Step 6: Final answer
    x = 3,820.25

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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.