Home / 8,257.74-11,390.03-5,272.23

Finding the Fourth Proportional to 8,257.74, 11,390.03 and 5,272.23

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Solution

The fourth proportional to 8,257.74, 11,390.03 and 5,272.23 is: 7,272.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,257.74 : 11,390.03 = 5,272.23 : x
  2. Step 2: Convert to fraction form
    8,257.74/11,390.03 = 5,272.23/x
  3. Step 3: Cross multiply
    8,257.74x = 11,390.03 × 5,272.23
  4. Step 4: Simplify right side
    8,257.74x = 60,050,857.87
  5. Step 5: Solve for x
    x = 60,050,857.87/8,257.74
  6. Step 6: Final answer
    x = 7,272.07

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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.