Home / 7,774.56-11,661.60-2,580.48

Finding the Fourth Proportional to 7,774.56, 11,661.60 and 2,580.48

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Solution

The fourth proportional to 7,774.56, 11,661.60 and 2,580.48 is: 3,870.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,774.56 : 11,661.60 = 2,580.48 : x
  2. Step 2: Convert to fraction form
    7,774.56/11,661.60 = 2,580.48/x
  3. Step 3: Cross multiply
    7,774.56x = 11,661.60 × 2,580.48
  4. Step 4: Simplify right side
    7,774.56x = 30,092,525.57
  5. Step 5: Solve for x
    x = 30,092,525.57/7,774.56
  6. Step 6: Final answer
    x = 3,870.64

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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.