Home / 7,126.39-10,691.55-2,968.35

Finding the Fourth Proportional to 7,126.39, 10,691.55 and 2,968.35

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Solution

The fourth proportional to 7,126.39, 10,691.55 and 2,968.35 is: 4,453.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,126.39 : 10,691.55 = 2,968.35 : x
  2. Step 2: Convert to fraction form
    7,126.39/10,691.55 = 2,968.35/x
  3. Step 3: Cross multiply
    7,126.39x = 10,691.55 × 2,968.35
  4. Step 4: Simplify right side
    7,126.39x = 31,736,262.44
  5. Step 5: Solve for x
    x = 31,736,262.44/7,126.39
  6. Step 6: Final answer
    x = 4,453.34

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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.