Home / 5,025.71-6,935.42-2,787.72

Finding the Fourth Proportional to 5,025.71, 6,935.42 and 2,787.72

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Solution

The fourth proportional to 5,025.71, 6,935.42 and 2,787.72 is: 3,847.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,025.71 : 6,935.42 = 2,787.72 : x
  2. Step 2: Convert to fraction form
    5,025.71/6,935.42 = 2,787.72/x
  3. Step 3: Cross multiply
    5,025.71x = 6,935.42 × 2,787.72
  4. Step 4: Simplify right side
    5,025.71x = 19,333,995.10
  5. Step 5: Solve for x
    x = 19,333,995.10/5,025.71
  6. Step 6: Final answer
    x = 3,847.02

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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.