Home / 7,631.42-11,453.61-3,017.66

Finding the Fourth Proportional to 7,631.42, 11,453.61 and 3,017.66

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Solution

The fourth proportional to 7,631.42, 11,453.61 and 3,017.66 is: 4,529.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,631.42 : 11,453.61 = 3,017.66 : x
  2. Step 2: Convert to fraction form
    7,631.42/11,453.61 = 3,017.66/x
  3. Step 3: Cross multiply
    7,631.42x = 11,453.61 × 3,017.66
  4. Step 4: Simplify right side
    7,631.42x = 34,563,100.75
  5. Step 5: Solve for x
    x = 34,563,100.75/7,631.42
  6. Step 6: Final answer
    x = 4,529.05

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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.