Home / 7,087.40-10,684.19-6,611.66

Finding the Fourth Proportional to 7,087.40, 10,684.19 and 6,611.66

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Solution

The fourth proportional to 7,087.40, 10,684.19 and 6,611.66 is: 9,967.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,087.40 : 10,684.19 = 6,611.66 : x
  2. Step 2: Convert to fraction form
    7,087.40/10,684.19 = 6,611.66/x
  3. Step 3: Cross multiply
    7,087.40x = 10,684.19 × 6,611.66
  4. Step 4: Simplify right side
    7,087.40x = 70,640,231.66
  5. Step 5: Solve for x
    x = 70,640,231.66/7,087.40
  6. Step 6: Final answer
    x = 9,967.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.