Home / 7,211.54-10,817.31-5,570.48

Finding the Fourth Proportional to 7,211.54, 10,817.31 and 5,570.48

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Solution

The fourth proportional to 7,211.54, 10,817.31 and 5,570.48 is: 8,355.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,211.54 : 10,817.31 = 5,570.48 : x
  2. Step 2: Convert to fraction form
    7,211.54/10,817.31 = 5,570.48/x
  3. Step 3: Cross multiply
    7,211.54x = 10,817.31 × 5,570.48
  4. Step 4: Simplify right side
    7,211.54x = 60,257,609.01
  5. Step 5: Solve for x
    x = 60,257,609.01/7,211.54
  6. Step 6: Final answer
    x = 8,355.72

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.