Home / 6,982.10-10,473.24-1,787.84

Finding the Fourth Proportional to 6,982.10, 10,473.24 and 1,787.84

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Solution

The fourth proportional to 6,982.10, 10,473.24 and 1,787.84 is: 2,681.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,982.10 : 10,473.24 = 1,787.84 : x
  2. Step 2: Convert to fraction form
    6,982.10/10,473.24 = 1,787.84/x
  3. Step 3: Cross multiply
    6,982.10x = 10,473.24 × 1,787.84
  4. Step 4: Simplify right side
    6,982.10x = 18,724,477.40
  5. Step 5: Solve for x
    x = 18,724,477.40/6,982.10
  6. Step 6: Final answer
    x = 2,681.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.