Home / 7,126.64-10,690.54-2,196.28

Finding the Fourth Proportional to 7,126.64, 10,690.54 and 2,196.28

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Solution

The fourth proportional to 7,126.64, 10,690.54 and 2,196.28 is: 3,294.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,126.64 : 10,690.54 = 2,196.28 : x
  2. Step 2: Convert to fraction form
    7,126.64/10,690.54 = 2,196.28/x
  3. Step 3: Cross multiply
    7,126.64x = 10,690.54 × 2,196.28
  4. Step 4: Simplify right side
    7,126.64x = 23,479,419.19
  5. Step 5: Solve for x
    x = 23,479,419.19/7,126.64
  6. Step 6: Final answer
    x = 3,294.60

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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.