Home / 6,980.97-10,471.76-1,983.69

Finding the Fourth Proportional to 6,980.97, 10,471.76 and 1,983.69

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Solution

The fourth proportional to 6,980.97, 10,471.76 and 1,983.69 is: 2,975.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,980.97 : 10,471.76 = 1,983.69 : x
  2. Step 2: Convert to fraction form
    6,980.97/10,471.76 = 1,983.69/x
  3. Step 3: Cross multiply
    6,980.97x = 10,471.76 × 1,983.69
  4. Step 4: Simplify right side
    6,980.97x = 20,772,715.68
  5. Step 5: Solve for x
    x = 20,772,715.68/6,980.97
  6. Step 6: Final answer
    x = 2,975.62

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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.