Home / 5,025.87-6,935.70-2,787.77

Finding the Fourth Proportional to 5,025.87, 6,935.70 and 2,787.77

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Solution

The fourth proportional to 5,025.87, 6,935.70 and 2,787.77 is: 3,847.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,025.87 : 6,935.70 = 2,787.77 : x
  2. Step 2: Convert to fraction form
    5,025.87/6,935.70 = 2,787.77/x
  3. Step 3: Cross multiply
    5,025.87x = 6,935.70 × 2,787.77
  4. Step 4: Simplify right side
    5,025.87x = 19,335,136.39
  5. Step 5: Solve for x
    x = 19,335,136.39/5,025.87
  6. Step 6: Final answer
    x = 3,847.12

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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.