Home / 7,899.62-11,840.01-3,677.19

Finding the Fourth Proportional to 7,899.62, 11,840.01 and 3,677.19

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Solution

The fourth proportional to 7,899.62, 11,840.01 and 3,677.19 is: 5,511.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,899.62 : 11,840.01 = 3,677.19 : x
  2. Step 2: Convert to fraction form
    7,899.62/11,840.01 = 3,677.19/x
  3. Step 3: Cross multiply
    7,899.62x = 11,840.01 × 3,677.19
  4. Step 4: Simplify right side
    7,899.62x = 43,537,966.37
  5. Step 5: Solve for x
    x = 43,537,966.37/7,899.62
  6. Step 6: Final answer
    x = 5,511.40

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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.