Home / 7,429.60-11,141.70-2,499.40

Finding the Fourth Proportional to 7,429.60, 11,141.70 and 2,499.40

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Solution

The fourth proportional to 7,429.60, 11,141.70 and 2,499.40 is: 3,748.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,429.60 : 11,141.70 = 2,499.40 : x
  2. Step 2: Convert to fraction form
    7,429.60/11,141.70 = 2,499.40/x
  3. Step 3: Cross multiply
    7,429.60x = 11,141.70 × 2,499.40
  4. Step 4: Simplify right side
    7,429.60x = 27,847,564.98
  5. Step 5: Solve for x
    x = 27,847,564.98/7,429.60
  6. Step 6: Final answer
    x = 3,748.19

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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.