Home / 7,765.92-11,656.32-6,045.60

Finding the Fourth Proportional to 7,765.92, 11,656.32 and 6,045.60

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Solution

The fourth proportional to 7,765.92, 11,656.32 and 6,045.60 is: 9,074.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,765.92 : 11,656.32 = 6,045.60 : x
  2. Step 2: Convert to fraction form
    7,765.92/11,656.32 = 6,045.60/x
  3. Step 3: Cross multiply
    7,765.92x = 11,656.32 × 6,045.60
  4. Step 4: Simplify right side
    7,765.92x = 70,469,448.19
  5. Step 5: Solve for x
    x = 70,469,448.19/7,765.92
  6. Step 6: Final answer
    x = 9,074.19

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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.