Home / 4,665.96-6,964.81-4,112.39

Finding the Fourth Proportional to 4,665.96, 6,964.81 and 4,112.39

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Solution

The fourth proportional to 4,665.96, 6,964.81 and 4,112.39 is: 6,138.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,665.96 : 6,964.81 = 4,112.39 : x
  2. Step 2: Convert to fraction form
    4,665.96/6,964.81 = 4,112.39/x
  3. Step 3: Cross multiply
    4,665.96x = 6,964.81 × 4,112.39
  4. Step 4: Simplify right side
    4,665.96x = 28,642,022.13
  5. Step 5: Solve for x
    x = 28,642,022.13/4,665.96
  6. Step 6: Final answer
    x = 6,138.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.