Home / 7,809.32-11,715.86-2,263.05

Finding the Fourth Proportional to 7,809.32, 11,715.86 and 2,263.05

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Solution

The fourth proportional to 7,809.32, 11,715.86 and 2,263.05 is: 3,395.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,809.32 : 11,715.86 = 2,263.05 : x
  2. Step 2: Convert to fraction form
    7,809.32/11,715.86 = 2,263.05/x
  3. Step 3: Cross multiply
    7,809.32x = 11,715.86 × 2,263.05
  4. Step 4: Simplify right side
    7,809.32x = 26,513,576.97
  5. Step 5: Solve for x
    x = 26,513,576.97/7,809.32
  6. Step 6: Final answer
    x = 3,395.12

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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.