Home / 7,813.47-11,719.86-2,266.69

Finding the Fourth Proportional to 7,813.47, 11,719.86 and 2,266.69

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Solution

The fourth proportional to 7,813.47, 11,719.86 and 2,266.69 is: 3,399.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,813.47 : 11,719.86 = 2,266.69 : x
  2. Step 2: Convert to fraction form
    7,813.47/11,719.86 = 2,266.69/x
  3. Step 3: Cross multiply
    7,813.47x = 11,719.86 × 2,266.69
  4. Step 4: Simplify right side
    7,813.47x = 26,565,289.46
  5. Step 5: Solve for x
    x = 26,565,289.46/7,813.47
  6. Step 6: Final answer
    x = 3,399.93

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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.