Home / 6,913.17-10,367.62-1,981.49

Finding the Fourth Proportional to 6,913.17, 10,367.62 and 1,981.49

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Solution

The fourth proportional to 6,913.17, 10,367.62 and 1,981.49 is: 2,971.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,913.17 : 10,367.62 = 1,981.49 : x
  2. Step 2: Convert to fraction form
    6,913.17/10,367.62 = 1,981.49/x
  3. Step 3: Cross multiply
    6,913.17x = 10,367.62 × 1,981.49
  4. Step 4: Simplify right side
    6,913.17x = 20,543,278.56
  5. Step 5: Solve for x
    x = 20,543,278.56/6,913.17
  6. Step 6: Final answer
    x = 2,971.61

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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.