Home / 7,430.63-11,143.60-2,499.10

Finding the Fourth Proportional to 7,430.63, 11,143.60 and 2,499.10

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Solution

The fourth proportional to 7,430.63, 11,143.60 and 2,499.10 is: 3,747.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,430.63 : 11,143.60 = 2,499.10 : x
  2. Step 2: Convert to fraction form
    7,430.63/11,143.60 = 2,499.10/x
  3. Step 3: Cross multiply
    7,430.63x = 11,143.60 × 2,499.10
  4. Step 4: Simplify right side
    7,430.63x = 27,848,936.65
  5. Step 5: Solve for x
    x = 27,848,936.65/7,430.63
  6. Step 6: Final answer
    x = 3,747.86

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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.