Home / 5,025.57-6,934.84-2,787.40

Finding the Fourth Proportional to 5,025.57, 6,934.84 and 2,787.40

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Solution

The fourth proportional to 5,025.57, 6,934.84 and 2,787.40 is: 3,846.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,025.57 : 6,934.84 = 2,787.40 : x
  2. Step 2: Convert to fraction form
    5,025.57/6,934.84 = 2,787.40/x
  3. Step 3: Cross multiply
    5,025.57x = 6,934.84 × 2,787.40
  4. Step 4: Simplify right side
    5,025.57x = 19,330,173.02
  5. Step 5: Solve for x
    x = 19,330,173.02/5,025.57
  6. Step 6: Final answer
    x = 3,846.36

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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.