Home / 9,210.92-12,712.37-5,232.38

Finding the Fourth Proportional to 9,210.92, 12,712.37 and 5,232.38

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Solution

The fourth proportional to 9,210.92, 12,712.37 and 5,232.38 is: 7,221.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,210.92 : 12,712.37 = 5,232.38 : x
  2. Step 2: Convert to fraction form
    9,210.92/12,712.37 = 5,232.38/x
  3. Step 3: Cross multiply
    9,210.92x = 12,712.37 × 5,232.38
  4. Step 4: Simplify right side
    9,210.92x = 66,515,860.82
  5. Step 5: Solve for x
    x = 66,515,860.82/9,210.92
  6. Step 6: Final answer
    x = 7,221.42

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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.