Home / 7,542.63-11,309.72-3,386.66

Finding the Fourth Proportional to 7,542.63, 11,309.72 and 3,386.66

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Solution

The fourth proportional to 7,542.63, 11,309.72 and 3,386.66 is: 5,078.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,542.63 : 11,309.72 = 3,386.66 : x
  2. Step 2: Convert to fraction form
    7,542.63/11,309.72 = 3,386.66/x
  3. Step 3: Cross multiply
    7,542.63x = 11,309.72 × 3,386.66
  4. Step 4: Simplify right side
    7,542.63x = 38,302,102.85
  5. Step 5: Solve for x
    x = 38,302,102.85/7,542.63
  6. Step 6: Final answer
    x = 5,078.08

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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.