Home / 7,430.11-11,143.74-3,731.35

Finding the Fourth Proportional to 7,430.11, 11,143.74 and 3,731.35

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Solution

The fourth proportional to 7,430.11, 11,143.74 and 3,731.35 is: 5,596.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,430.11 : 11,143.74 = 3,731.35 : x
  2. Step 2: Convert to fraction form
    7,430.11/11,143.74 = 3,731.35/x
  3. Step 3: Cross multiply
    7,430.11x = 11,143.74 × 3,731.35
  4. Step 4: Simplify right side
    7,430.11x = 41,581,194.25
  5. Step 5: Solve for x
    x = 41,581,194.25/7,430.11
  6. Step 6: Final answer
    x = 5,596.31

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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.