Home / 5,025.81-6,935.68-2,787.89

Finding the Fourth Proportional to 5,025.81, 6,935.68 and 2,787.89

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Solution

The fourth proportional to 5,025.81, 6,935.68 and 2,787.89 is: 3,847.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,025.81 : 6,935.68 = 2,787.89 : x
  2. Step 2: Convert to fraction form
    5,025.81/6,935.68 = 2,787.89/x
  3. Step 3: Cross multiply
    5,025.81x = 6,935.68 × 2,787.89
  4. Step 4: Simplify right side
    5,025.81x = 19,335,866.04
  5. Step 5: Solve for x
    x = 19,335,866.04/5,025.81
  6. Step 6: Final answer
    x = 3,847.31

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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.