Home / 7,709.28-11,570.40-3,330.08

Finding the Fourth Proportional to 7,709.28, 11,570.40 and 3,330.08

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Solution

The fourth proportional to 7,709.28, 11,570.40 and 3,330.08 is: 4,997.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,709.28 : 11,570.40 = 3,330.08 : x
  2. Step 2: Convert to fraction form
    7,709.28/11,570.40 = 3,330.08/x
  3. Step 3: Cross multiply
    7,709.28x = 11,570.40 × 3,330.08
  4. Step 4: Simplify right side
    7,709.28x = 38,530,357.63
  5. Step 5: Solve for x
    x = 38,530,357.63/7,709.28
  6. Step 6: Final answer
    x = 4,997.92

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.