Home / 7,081.66-10,612.77-3,611.62

Finding the Fourth Proportional to 7,081.66, 10,612.77 and 3,611.62

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Solution

The fourth proportional to 7,081.66, 10,612.77 and 3,611.62 is: 5,412.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,081.66 : 10,612.77 = 3,611.62 : x
  2. Step 2: Convert to fraction form
    7,081.66/10,612.77 = 3,611.62/x
  3. Step 3: Cross multiply
    7,081.66x = 10,612.77 × 3,611.62
  4. Step 4: Simplify right side
    7,081.66x = 38,329,292.39
  5. Step 5: Solve for x
    x = 38,329,292.39/7,081.66
  6. Step 6: Final answer
    x = 5,412.47

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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.