Home / 7,811.60-11,715.56-2,263.48

Finding the Fourth Proportional to 7,811.60, 11,715.56 and 2,263.48

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Solution

The fourth proportional to 7,811.60, 11,715.56 and 2,263.48 is: 3,394.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,811.60 : 11,715.56 = 2,263.48 : x
  2. Step 2: Convert to fraction form
    7,811.60/11,715.56 = 2,263.48/x
  3. Step 3: Cross multiply
    7,811.60x = 11,715.56 × 2,263.48
  4. Step 4: Simplify right side
    7,811.60x = 26,517,935.75
  5. Step 5: Solve for x
    x = 26,517,935.75/7,811.60
  6. Step 6: Final answer
    x = 3,394.69

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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.