Home / 7,798.40-11,689.32-3,633.56

Finding the Fourth Proportional to 7,798.40, 11,689.32 and 3,633.56

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Solution

The fourth proportional to 7,798.40, 11,689.32 and 3,633.56 is: 5,446.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,798.40 : 11,689.32 = 3,633.56 : x
  2. Step 2: Convert to fraction form
    7,798.40/11,689.32 = 3,633.56/x
  3. Step 3: Cross multiply
    7,798.40x = 11,689.32 × 3,633.56
  4. Step 4: Simplify right side
    7,798.40x = 42,473,845.58
  5. Step 5: Solve for x
    x = 42,473,845.58/7,798.40
  6. Step 6: Final answer
    x = 5,446.48

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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.