Home / 6,964.76-9,611.86-3,981.04

Finding the Fourth Proportional to 6,964.76, 9,611.86 and 3,981.04

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Solution

The fourth proportional to 6,964.76, 9,611.86 and 3,981.04 is: 5,494.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,964.76 : 9,611.86 = 3,981.04 : x
  2. Step 2: Convert to fraction form
    6,964.76/9,611.86 = 3,981.04/x
  3. Step 3: Cross multiply
    6,964.76x = 9,611.86 × 3,981.04
  4. Step 4: Simplify right side
    6,964.76x = 38,265,199.13
  5. Step 5: Solve for x
    x = 38,265,199.13/6,964.76
  6. Step 6: Final answer
    x = 5,494.12

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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.