Home / 6,965.22-9,612.05-3,981.17

Finding the Fourth Proportional to 6,965.22, 9,612.05 and 3,981.17

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Solution

The fourth proportional to 6,965.22, 9,612.05 and 3,981.17 is: 5,494.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,965.22 : 9,612.05 = 3,981.17 : x
  2. Step 2: Convert to fraction form
    6,965.22/9,612.05 = 3,981.17/x
  3. Step 3: Cross multiply
    6,965.22x = 9,612.05 × 3,981.17
  4. Step 4: Simplify right side
    6,965.22x = 38,267,137.13
  5. Step 5: Solve for x
    x = 38,267,137.13/6,965.22
  6. Step 6: Final answer
    x = 5,494.03

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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.