Home / 7,126.90-10,690.26-2,383.41

Finding the Fourth Proportional to 7,126.90, 10,690.26 and 2,383.41

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Solution

The fourth proportional to 7,126.90, 10,690.26 and 2,383.41 is: 3,575.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,126.90 : 10,690.26 = 2,383.41 : x
  2. Step 2: Convert to fraction form
    7,126.90/10,690.26 = 2,383.41/x
  3. Step 3: Cross multiply
    7,126.90x = 10,690.26 × 2,383.41
  4. Step 4: Simplify right side
    7,126.90x = 25,479,272.59
  5. Step 5: Solve for x
    x = 25,479,272.59/7,126.90
  6. Step 6: Final answer
    x = 3,575.08

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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.