Home / 7,822.52-11,709.96-5,350.40

Finding the Fourth Proportional to 7,822.52, 11,709.96 and 5,350.40

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Solution

The fourth proportional to 7,822.52, 11,709.96 and 5,350.40 is: 8,009.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,822.52 : 11,709.96 = 5,350.40 : x
  2. Step 2: Convert to fraction form
    7,822.52/11,709.96 = 5,350.40/x
  3. Step 3: Cross multiply
    7,822.52x = 11,709.96 × 5,350.40
  4. Step 4: Simplify right side
    7,822.52x = 62,652,969.98
  5. Step 5: Solve for x
    x = 62,652,969.98/7,822.52
  6. Step 6: Final answer
    x = 8,009.31

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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.