Home / 7,086.90-10,683.44-6,611.16

Finding the Fourth Proportional to 7,086.90, 10,683.44 and 6,611.16

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Solution

The fourth proportional to 7,086.90, 10,683.44 and 6,611.16 is: 9,966.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,086.90 : 10,683.44 = 6,611.16 : x
  2. Step 2: Convert to fraction form
    7,086.90/10,683.44 = 6,611.16/x
  3. Step 3: Cross multiply
    7,086.90x = 10,683.44 × 6,611.16
  4. Step 4: Simplify right side
    7,086.90x = 70,629,898.13
  5. Step 5: Solve for x
    x = 70,629,898.13/7,086.90
  6. Step 6: Final answer
    x = 9,966.26

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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.