Home / 6,913.39-10,371.61-1,982.65

Finding the Fourth Proportional to 6,913.39, 10,371.61 and 1,982.65

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Solution

The fourth proportional to 6,913.39, 10,371.61 and 1,982.65 is: 2,974.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,913.39 : 10,371.61 = 1,982.65 : x
  2. Step 2: Convert to fraction form
    6,913.39/10,371.61 = 1,982.65/x
  3. Step 3: Cross multiply
    6,913.39x = 10,371.61 × 1,982.65
  4. Step 4: Simplify right side
    6,913.39x = 20,563,228.14
  5. Step 5: Solve for x
    x = 20,563,228.14/6,913.39
  6. Step 6: Final answer
    x = 2,974.41

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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.