Home / 6,972.23-9,630.26-5,211.70

Finding the Fourth Proportional to 6,972.23, 9,630.26 and 5,211.70

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Solution

The fourth proportional to 6,972.23, 9,630.26 and 5,211.70 is: 7,198.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,972.23 : 9,630.26 = 5,211.70 : x
  2. Step 2: Convert to fraction form
    6,972.23/9,630.26 = 5,211.70/x
  3. Step 3: Cross multiply
    6,972.23x = 9,630.26 × 5,211.70
  4. Step 4: Simplify right side
    6,972.23x = 50,189,995.45
  5. Step 5: Solve for x
    x = 50,189,995.45/6,972.23
  6. Step 6: Final answer
    x = 7,198.55

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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.