Home / 7,725.31-11,583.55-2,459.30

Finding the Fourth Proportional to 7,725.31, 11,583.55 and 2,459.30

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Solution

The fourth proportional to 7,725.31, 11,583.55 and 2,459.30 is: 3,687.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,725.31 : 11,583.55 = 2,459.30 : x
  2. Step 2: Convert to fraction form
    7,725.31/11,583.55 = 2,459.30/x
  3. Step 3: Cross multiply
    7,725.31x = 11,583.55 × 2,459.30
  4. Step 4: Simplify right side
    7,725.31x = 28,487,360.45
  5. Step 5: Solve for x
    x = 28,487,360.45/7,725.31
  6. Step 6: Final answer
    x = 3,687.54

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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.