Home / 7,531.29-11,297.01-1,985.43

Finding the Fourth Proportional to 7,531.29, 11,297.01 and 1,985.43

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Solution

The fourth proportional to 7,531.29, 11,297.01 and 1,985.43 is: 2,978.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,531.29 : 11,297.01 = 1,985.43 : x
  2. Step 2: Convert to fraction form
    7,531.29/11,297.01 = 1,985.43/x
  3. Step 3: Cross multiply
    7,531.29x = 11,297.01 × 1,985.43
  4. Step 4: Simplify right side
    7,531.29x = 22,429,422.56
  5. Step 5: Solve for x
    x = 22,429,422.56/7,531.29
  6. Step 6: Final answer
    x = 2,978.16

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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.