Home / 7,899.08-11,841.29-2,971.98

Finding the Fourth Proportional to 7,899.08, 11,841.29 and 2,971.98

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Solution

The fourth proportional to 7,899.08, 11,841.29 and 2,971.98 is: 4,455.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,899.08 : 11,841.29 = 2,971.98 : x
  2. Step 2: Convert to fraction form
    7,899.08/11,841.29 = 2,971.98/x
  3. Step 3: Cross multiply
    7,899.08x = 11,841.29 × 2,971.98
  4. Step 4: Simplify right side
    7,899.08x = 35,192,077.05
  5. Step 5: Solve for x
    x = 35,192,077.05/7,899.08
  6. Step 6: Final answer
    x = 4,455.21

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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.