Home / 4,995.05-6,894.75-3,105.51

Finding the Fourth Proportional to 4,995.05, 6,894.75 and 3,105.51

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Solution

The fourth proportional to 4,995.05, 6,894.75 and 3,105.51 is: 4,286.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,995.05 : 6,894.75 = 3,105.51 : x
  2. Step 2: Convert to fraction form
    4,995.05/6,894.75 = 3,105.51/x
  3. Step 3: Cross multiply
    4,995.05x = 6,894.75 × 3,105.51
  4. Step 4: Simplify right side
    4,995.05x = 21,411,711.02
  5. Step 5: Solve for x
    x = 21,411,711.02/4,995.05
  6. Step 6: Final answer
    x = 4,286.59

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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.