Home / 9,249.09-12,764.03-5,270.11

Finding the Fourth Proportional to 9,249.09, 12,764.03 and 5,270.11

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Solution

The fourth proportional to 9,249.09, 12,764.03 and 5,270.11 is: 7,272.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,249.09 : 12,764.03 = 5,270.11 : x
  2. Step 2: Convert to fraction form
    9,249.09/12,764.03 = 5,270.11/x
  3. Step 3: Cross multiply
    9,249.09x = 12,764.03 × 5,270.11
  4. Step 4: Simplify right side
    9,249.09x = 67,267,885.32
  5. Step 5: Solve for x
    x = 67,267,885.32/9,249.09
  6. Step 6: Final answer
    x = 7,272.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.