Home / 9,205.86-12,704.24-5,227.08

Finding the Fourth Proportional to 9,205.86, 12,704.24 and 5,227.08

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Solution

The fourth proportional to 9,205.86, 12,704.24 and 5,227.08 is: 7,213.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,205.86 : 12,704.24 = 5,227.08 : x
  2. Step 2: Convert to fraction form
    9,205.86/12,704.24 = 5,227.08/x
  3. Step 3: Cross multiply
    9,205.86x = 12,704.24 × 5,227.08
  4. Step 4: Simplify right side
    9,205.86x = 66,406,052.68
  5. Step 5: Solve for x
    x = 66,406,052.68/9,205.86
  6. Step 6: Final answer
    x = 7,213.45

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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.