Home / 6,981.73-9,629.49-4,619.77

Finding the Fourth Proportional to 6,981.73, 9,629.49 and 4,619.77

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Solution

The fourth proportional to 6,981.73, 9,629.49 and 4,619.77 is: 6,371.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,981.73 : 9,629.49 = 4,619.77 : x
  2. Step 2: Convert to fraction form
    6,981.73/9,629.49 = 4,619.77/x
  3. Step 3: Cross multiply
    6,981.73x = 9,629.49 × 4,619.77
  4. Step 4: Simplify right side
    6,981.73x = 44,486,029.02
  5. Step 5: Solve for x
    x = 44,486,029.02/6,981.73
  6. Step 6: Final answer
    x = 6,371.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.