Home / 5,035.78-6,949.74-2,798.38

Finding the Fourth Proportional to 5,035.78, 6,949.74 and 2,798.38

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Solution

The fourth proportional to 5,035.78, 6,949.74 and 2,798.38 is: 3,861.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,035.78 : 6,949.74 = 2,798.38 : x
  2. Step 2: Convert to fraction form
    5,035.78/6,949.74 = 2,798.38/x
  3. Step 3: Cross multiply
    5,035.78x = 6,949.74 × 2,798.38
  4. Step 4: Simplify right side
    5,035.78x = 19,448,013.42
  5. Step 5: Solve for x
    x = 19,448,013.42/5,035.78
  6. Step 6: Final answer
    x = 3,861.97

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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.