Home / 7,765.40-11,644.52-2,499.44

Finding the Fourth Proportional to 7,765.40, 11,644.52 and 2,499.44

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Solution

The fourth proportional to 7,765.40, 11,644.52 and 2,499.44 is: 3,748.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,765.40 : 11,644.52 = 2,499.44 : x
  2. Step 2: Convert to fraction form
    7,765.40/11,644.52 = 2,499.44/x
  3. Step 3: Cross multiply
    7,765.40x = 11,644.52 × 2,499.44
  4. Step 4: Simplify right side
    7,765.40x = 29,104,779.07
  5. Step 5: Solve for x
    x = 29,104,779.07/7,765.40
  6. Step 6: Final answer
    x = 3,748.01

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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.