Home / 9,210.92-12,711.33-5,231.93

Finding the Fourth Proportional to 9,210.92, 12,711.33 and 5,231.93

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Solution

The fourth proportional to 9,210.92, 12,711.33 and 5,231.93 is: 7,220.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,210.92 : 12,711.33 = 5,231.93 : x
  2. Step 2: Convert to fraction form
    9,210.92/12,711.33 = 5,231.93/x
  3. Step 3: Cross multiply
    9,210.92x = 12,711.33 × 5,231.93
  4. Step 4: Simplify right side
    9,210.92x = 66,504,725.21
  5. Step 5: Solve for x
    x = 66,504,725.21/9,210.92
  6. Step 6: Final answer
    x = 7,220.21

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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.