Home / 7,798.48-11,689.82-2,799.36

Finding the Fourth Proportional to 7,798.48, 11,689.82 and 2,799.36

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Solution

The fourth proportional to 7,798.48, 11,689.82 and 2,799.36 is: 4,196.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,798.48 : 11,689.82 = 2,799.36 : x
  2. Step 2: Convert to fraction form
    7,798.48/11,689.82 = 2,799.36/x
  3. Step 3: Cross multiply
    7,798.48x = 11,689.82 × 2,799.36
  4. Step 4: Simplify right side
    7,798.48x = 32,724,011.02
  5. Step 5: Solve for x
    x = 32,724,011.02/7,798.48
  6. Step 6: Final answer
    x = 4,196.21

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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.