Home / 4,770.48-7,157.22-2,140.23

Finding the Fourth Proportional to 4,770.48, 7,157.22 and 2,140.23

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Solution

The fourth proportional to 4,770.48, 7,157.22 and 2,140.23 is: 3,211.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,770.48 : 7,157.22 = 2,140.23 : x
  2. Step 2: Convert to fraction form
    4,770.48/7,157.22 = 2,140.23/x
  3. Step 3: Cross multiply
    4,770.48x = 7,157.22 × 2,140.23
  4. Step 4: Simplify right side
    4,770.48x = 15,318,096.96
  5. Step 5: Solve for x
    x = 15,318,096.96/4,770.48
  6. Step 6: Final answer
    x = 3,211.02

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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.