Home / 5,025.78-6,935.57-2,788.00

Finding the Fourth Proportional to 5,025.78, 6,935.57 and 2,788.00

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Solution

The fourth proportional to 5,025.78, 6,935.57 and 2,788.00 is: 3,847.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,025.78 : 6,935.57 = 2,788.00 : x
  2. Step 2: Convert to fraction form
    5,025.78/6,935.57 = 2,788.00/x
  3. Step 3: Cross multiply
    5,025.78x = 6,935.57 × 2,788.00
  4. Step 4: Simplify right side
    5,025.78x = 19,336,334.48
  5. Step 5: Solve for x
    x = 19,336,334.48/5,025.78
  6. Step 6: Final answer
    x = 3,847.43

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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.