Home / 7,811.24-11,719.73-3,652.59

Finding the Fourth Proportional to 7,811.24, 11,719.73 and 3,652.59

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Solution

The fourth proportional to 7,811.24, 11,719.73 and 3,652.59 is: 5,480.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,811.24 : 11,719.73 = 3,652.59 : x
  2. Step 2: Convert to fraction form
    7,811.24/11,719.73 = 3,652.59/x
  3. Step 3: Cross multiply
    7,811.24x = 11,719.73 × 3,652.59
  4. Step 4: Simplify right side
    7,811.24x = 42,807,350.34
  5. Step 5: Solve for x
    x = 42,807,350.34/7,811.24
  6. Step 6: Final answer
    x = 5,480.23

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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.