Home / 9,212.32-12,712.92-5,020.48

Finding the Fourth Proportional to 9,212.32, 12,712.92 and 5,020.48

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Solution

The fourth proportional to 9,212.32, 12,712.92 and 5,020.48 is: 6,928.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,212.32 : 12,712.92 = 5,020.48 : x
  2. Step 2: Convert to fraction form
    9,212.32/12,712.92 = 5,020.48/x
  3. Step 3: Cross multiply
    9,212.32x = 12,712.92 × 5,020.48
  4. Step 4: Simplify right side
    9,212.32x = 63,824,960.60
  5. Step 5: Solve for x
    x = 63,824,960.60/9,212.32
  6. Step 6: Final answer
    x = 6,928.22

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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.