Home / 7,538.34-11,309.13-2,858.43

Finding the Fourth Proportional to 7,538.34, 11,309.13 and 2,858.43

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Solution

The fourth proportional to 7,538.34, 11,309.13 and 2,858.43 is: 4,288.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,538.34 : 11,309.13 = 2,858.43 : x
  2. Step 2: Convert to fraction form
    7,538.34/11,309.13 = 2,858.43/x
  3. Step 3: Cross multiply
    7,538.34x = 11,309.13 × 2,858.43
  4. Step 4: Simplify right side
    7,538.34x = 32,326,356.47
  5. Step 5: Solve for x
    x = 32,326,356.47/7,538.34
  6. Step 6: Final answer
    x = 4,288.26

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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.