Home / 6,981.66-9,635.15-4,330.83

Finding the Fourth Proportional to 6,981.66, 9,635.15 and 4,330.83

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Solution

The fourth proportional to 6,981.66, 9,635.15 and 4,330.83 is: 5,976.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,981.66 : 9,635.15 = 4,330.83 : x
  2. Step 2: Convert to fraction form
    6,981.66/9,635.15 = 4,330.83/x
  3. Step 3: Cross multiply
    6,981.66x = 9,635.15 × 4,330.83
  4. Step 4: Simplify right side
    6,981.66x = 41,728,175.02
  5. Step 5: Solve for x
    x = 41,728,175.02/6,981.66
  6. Step 6: Final answer
    x = 5,976.83

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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.