Home / 7,575.96-11,365.80-2,645.76

Finding the Fourth Proportional to 7,575.96, 11,365.80 and 2,645.76

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Solution

The fourth proportional to 7,575.96, 11,365.80 and 2,645.76 is: 3,969.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,575.96 : 11,365.80 = 2,645.76 : x
  2. Step 2: Convert to fraction form
    7,575.96/11,365.80 = 2,645.76/x
  3. Step 3: Cross multiply
    7,575.96x = 11,365.80 × 2,645.76
  4. Step 4: Simplify right side
    7,575.96x = 30,071,179.01
  5. Step 5: Solve for x
    x = 30,071,179.01/7,575.96
  6. Step 6: Final answer
    x = 3,969.29

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1.5x scale

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.