Home / 4,770.23-7,149.18-2,135.81

Finding the Fourth Proportional to 4,770.23, 7,149.18 and 2,135.81

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Solution

The fourth proportional to 4,770.23, 7,149.18 and 2,135.81 is: 3,200.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,770.23 : 7,149.18 = 2,135.81 : x
  2. Step 2: Convert to fraction form
    4,770.23/7,149.18 = 2,135.81/x
  3. Step 3: Cross multiply
    4,770.23x = 7,149.18 × 2,135.81
  4. Step 4: Simplify right side
    4,770.23x = 15,269,254.39
  5. Step 5: Solve for x
    x = 15,269,254.39/4,770.23
  6. Step 6: Final answer
    x = 3,200.95

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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.