Home / 6,982.15-10,473.78-1,984.57

Finding the Fourth Proportional to 6,982.15, 10,473.78 and 1,984.57

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Solution

The fourth proportional to 6,982.15, 10,473.78 and 1,984.57 is: 2,977.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,982.15 : 10,473.78 = 1,984.57 : x
  2. Step 2: Convert to fraction form
    6,982.15/10,473.78 = 1,984.57/x
  3. Step 3: Cross multiply
    6,982.15x = 10,473.78 × 1,984.57
  4. Step 4: Simplify right side
    6,982.15x = 20,785,949.57
  5. Step 5: Solve for x
    x = 20,785,949.57/6,982.15
  6. Step 6: Final answer
    x = 2,977.01

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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.