Home / 7,720.38-11,580.56-2,526.25

Finding the Fourth Proportional to 7,720.38, 11,580.56 and 2,526.25

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Solution

The fourth proportional to 7,720.38, 11,580.56 and 2,526.25 is: 3,789.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,720.38 : 11,580.56 = 2,526.25 : x
  2. Step 2: Convert to fraction form
    7,720.38/11,580.56 = 2,526.25/x
  3. Step 3: Cross multiply
    7,720.38x = 11,580.56 × 2,526.25
  4. Step 4: Simplify right side
    7,720.38x = 29,255,389.70
  5. Step 5: Solve for x
    x = 29,255,389.70/7,720.38
  6. Step 6: Final answer
    x = 3,789.37

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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.