Home / 6,916.32-10,371.42-1,984.84

Finding the Fourth Proportional to 6,916.32, 10,371.42 and 1,984.84

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Solution

The fourth proportional to 6,916.32, 10,371.42 and 1,984.84 is: 2,976.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,916.32 : 10,371.42 = 1,984.84 : x
  2. Step 2: Convert to fraction form
    6,916.32/10,371.42 = 1,984.84/x
  3. Step 3: Cross multiply
    6,916.32x = 10,371.42 × 1,984.84
  4. Step 4: Simplify right side
    6,916.32x = 20,585,609.27
  5. Step 5: Solve for x
    x = 20,585,609.27/6,916.32
  6. Step 6: Final answer
    x = 2,976.38

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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.