Home / 6,263.78-8,639.85-4,028.48

Finding the Fourth Proportional to 6,263.78, 8,639.85 and 4,028.48

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Solution

The fourth proportional to 6,263.78, 8,639.85 and 4,028.48 is: 5,556.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,263.78 : 8,639.85 = 4,028.48 : x
  2. Step 2: Convert to fraction form
    6,263.78/8,639.85 = 4,028.48/x
  3. Step 3: Cross multiply
    6,263.78x = 8,639.85 × 4,028.48
  4. Step 4: Simplify right side
    6,263.78x = 34,805,444.57
  5. Step 5: Solve for x
    x = 34,805,444.57/6,263.78
  6. Step 6: Final answer
    x = 5,556.62

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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.