Home / 7,126.14-10,690.22-2,196.18

Finding the Fourth Proportional to 7,126.14, 10,690.22 and 2,196.18

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Solution

The fourth proportional to 7,126.14, 10,690.22 and 2,196.18 is: 3,294.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,126.14 : 10,690.22 = 2,196.18 : x
  2. Step 2: Convert to fraction form
    7,126.14/10,690.22 = 2,196.18/x
  3. Step 3: Cross multiply
    7,126.14x = 10,690.22 × 2,196.18
  4. Step 4: Simplify right side
    7,126.14x = 23,477,647.36
  5. Step 5: Solve for x
    x = 23,477,647.36/7,126.14
  6. Step 6: Final answer
    x = 3,294.58

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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.