Home / 7,165.23-10,749.98-3,419.82

Finding the Fourth Proportional to 7,165.23, 10,749.98 and 3,419.82

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Solution

The fourth proportional to 7,165.23, 10,749.98 and 3,419.82 is: 5,130.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,165.23 : 10,749.98 = 3,419.82 : x
  2. Step 2: Convert to fraction form
    7,165.23/10,749.98 = 3,419.82/x
  3. Step 3: Cross multiply
    7,165.23x = 10,749.98 × 3,419.82
  4. Step 4: Simplify right side
    7,165.23x = 36,762,996.60
  5. Step 5: Solve for x
    x = 36,762,996.60/7,165.23
  6. Step 6: Final answer
    x = 5,130.75

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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.