Home / 6,916.14-10,371.15-1,984.64

Finding the Fourth Proportional to 6,916.14, 10,371.15 and 1,984.64

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Solution

The fourth proportional to 6,916.14, 10,371.15 and 1,984.64 is: 2,976.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,916.14 : 10,371.15 = 1,984.64 : x
  2. Step 2: Convert to fraction form
    6,916.14/10,371.15 = 1,984.64/x
  3. Step 3: Cross multiply
    6,916.14x = 10,371.15 × 1,984.64
  4. Step 4: Simplify right side
    6,916.14x = 20,582,947.28
  5. Step 5: Solve for x
    x = 20,582,947.28/6,916.14
  6. Step 6: Final answer
    x = 2,976.07

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Double scale
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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.