Home / 7,447.52-11,167.98-3,749.06

Finding the Fourth Proportional to 7,447.52, 11,167.98 and 3,749.06

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Solution

The fourth proportional to 7,447.52, 11,167.98 and 3,749.06 is: 5,621.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,447.52 : 11,167.98 = 3,749.06 : x
  2. Step 2: Convert to fraction form
    7,447.52/11,167.98 = 3,749.06/x
  3. Step 3: Cross multiply
    7,447.52x = 11,167.98 × 3,749.06
  4. Step 4: Simplify right side
    7,447.52x = 41,869,427.10
  5. Step 5: Solve for x
    x = 41,869,427.10/7,447.52
  6. Step 6: Final answer
    x = 5,621.93

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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.