Home / 7,829.92-11,720.40-5,052.88

Finding the Fourth Proportional to 7,829.92, 11,720.40 and 5,052.88

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Solution

The fourth proportional to 7,829.92, 11,720.40 and 5,052.88 is: 7,563.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,829.92 : 11,720.40 = 5,052.88 : x
  2. Step 2: Convert to fraction form
    7,829.92/11,720.40 = 5,052.88/x
  3. Step 3: Cross multiply
    7,829.92x = 11,720.40 × 5,052.88
  4. Step 4: Simplify right side
    7,829.92x = 59,221,774.75
  5. Step 5: Solve for x
    x = 59,221,774.75/7,829.92
  6. Step 6: Final answer
    x = 7,563.52

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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.