Home / 6,910.83-10,366.56-1,981.17

Finding the Fourth Proportional to 6,910.83, 10,366.56 and 1,981.17

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Solution

The fourth proportional to 6,910.83, 10,366.56 and 1,981.17 is: 2,971.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,910.83 : 10,366.56 = 1,981.17 : x
  2. Step 2: Convert to fraction form
    6,910.83/10,366.56 = 1,981.17/x
  3. Step 3: Cross multiply
    6,910.83x = 10,366.56 × 1,981.17
  4. Step 4: Simplify right side
    6,910.83x = 20,537,917.68
  5. Step 5: Solve for x
    x = 20,537,917.68/6,910.83
  6. Step 6: Final answer
    x = 2,971.85

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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.