Home / 7,829.40-11,745.12-2,562.60

Finding the Fourth Proportional to 7,829.40, 11,745.12 and 2,562.60

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Solution

The fourth proportional to 7,829.40, 11,745.12 and 2,562.60 is: 3,844.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,829.40 : 11,745.12 = 2,562.60 : x
  2. Step 2: Convert to fraction form
    7,829.40/11,745.12 = 2,562.60/x
  3. Step 3: Cross multiply
    7,829.40x = 11,745.12 × 2,562.60
  4. Step 4: Simplify right side
    7,829.40x = 30,098,044.51
  5. Step 5: Solve for x
    x = 30,098,044.51/7,829.40
  6. Step 6: Final answer
    x = 3,844.23

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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.