Home / 5,035.78-6,943.96-3,146.68

Finding the Fourth Proportional to 5,035.78, 6,943.96 and 3,146.68

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Solution

The fourth proportional to 5,035.78, 6,943.96 and 3,146.68 is: 4,339.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,035.78 : 6,943.96 = 3,146.68 : x
  2. Step 2: Convert to fraction form
    5,035.78/6,943.96 = 3,146.68/x
  3. Step 3: Cross multiply
    5,035.78x = 6,943.96 × 3,146.68
  4. Step 4: Simplify right side
    5,035.78x = 21,850,420.05
  5. Step 5: Solve for x
    x = 21,850,420.05/5,035.78
  6. Step 6: Final answer
    x = 4,339.03

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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.