Home / 7,631.16-11,437.49-3,239.39

Finding the Fourth Proportional to 7,631.16, 11,437.49 and 3,239.39

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Solution

The fourth proportional to 7,631.16, 11,437.49 and 3,239.39 is: 4,855.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,631.16 : 11,437.49 = 3,239.39 : x
  2. Step 2: Convert to fraction form
    7,631.16/11,437.49 = 3,239.39/x
  3. Step 3: Cross multiply
    7,631.16x = 11,437.49 × 3,239.39
  4. Step 4: Simplify right side
    7,631.16x = 37,050,490.73
  5. Step 5: Solve for x
    x = 37,050,490.73/7,631.16
  6. Step 6: Final answer
    x = 4,855.16

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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.