Home / 7,837.86-11,729.32-5,619.14

Finding the Fourth Proportional to 7,837.86, 11,729.32 and 5,619.14

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Solution

The fourth proportional to 7,837.86, 11,729.32 and 5,619.14 is: 8,409.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,837.86 : 11,729.32 = 5,619.14 : x
  2. Step 2: Convert to fraction form
    7,837.86/11,729.32 = 5,619.14/x
  3. Step 3: Cross multiply
    7,837.86x = 11,729.32 × 5,619.14
  4. Step 4: Simplify right side
    7,837.86x = 65,908,691.18
  5. Step 5: Solve for x
    x = 65,908,691.18/7,837.86
  6. Step 6: Final answer
    x = 8,409.02

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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.