Home / 9,270.92-12,795.36-5,292.20

Finding the Fourth Proportional to 9,270.92, 12,795.36 and 5,292.20

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Solution

The fourth proportional to 9,270.92, 12,795.36 and 5,292.20 is: 7,304.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,270.92 : 12,795.36 = 5,292.20 : x
  2. Step 2: Convert to fraction form
    9,270.92/12,795.36 = 5,292.20/x
  3. Step 3: Cross multiply
    9,270.92x = 12,795.36 × 5,292.20
  4. Step 4: Simplify right side
    9,270.92x = 67,715,604.19
  5. Step 5: Solve for x
    x = 67,715,604.19/9,270.92
  6. Step 6: Final answer
    x = 7,304.09

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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.