Home / 7,430.18-11,144.57-2,499.87

Finding the Fourth Proportional to 7,430.18, 11,144.57 and 2,499.87

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Solution

The fourth proportional to 7,430.18, 11,144.57 and 2,499.87 is: 3,749.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,430.18 : 11,144.57 = 2,499.87 : x
  2. Step 2: Convert to fraction form
    7,430.18/11,144.57 = 2,499.87/x
  3. Step 3: Cross multiply
    7,430.18x = 11,144.57 × 2,499.87
  4. Step 4: Simplify right side
    7,430.18x = 27,859,963.71
  5. Step 5: Solve for x
    x = 27,859,963.71/7,430.18
  6. Step 6: Final answer
    x = 3,749.57

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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.