Home / 9,208.70-12,707.97-5,229.62

Finding the Fourth Proportional to 9,208.70, 12,707.97 and 5,229.62

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Solution

The fourth proportional to 9,208.70, 12,707.97 and 5,229.62 is: 7,216.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,208.70 : 12,707.97 = 5,229.62 : x
  2. Step 2: Convert to fraction form
    9,208.70/12,707.97 = 5,229.62/x
  3. Step 3: Cross multiply
    9,208.70x = 12,707.97 × 5,229.62
  4. Step 4: Simplify right side
    9,208.70x = 66,457,854.07
  5. Step 5: Solve for x
    x = 66,457,854.07/9,208.70
  6. Step 6: Final answer
    x = 7,216.86

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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.