Home / 7,829.30-11,745.86-2,564.59

Finding the Fourth Proportional to 7,829.30, 11,745.86 and 2,564.59

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Solution

The fourth proportional to 7,829.30, 11,745.86 and 2,564.59 is: 3,847.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,829.30 : 11,745.86 = 2,564.59 : x
  2. Step 2: Convert to fraction form
    7,829.30/11,745.86 = 2,564.59/x
  3. Step 3: Cross multiply
    7,829.30x = 11,745.86 × 2,564.59
  4. Step 4: Simplify right side
    7,829.30x = 30,123,276.32
  5. Step 5: Solve for x
    x = 30,123,276.32/7,829.30
  6. Step 6: Final answer
    x = 3,847.51

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1.5x scale

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.