Home / 8,293.30-12,438.86-2,745.27

Finding the Fourth Proportional to 8,293.30, 12,438.86 and 2,745.27

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Solution

The fourth proportional to 8,293.30, 12,438.86 and 2,745.27 is: 4,117.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,293.30 : 12,438.86 = 2,745.27 : x
  2. Step 2: Convert to fraction form
    8,293.30/12,438.86 = 2,745.27/x
  3. Step 3: Cross multiply
    8,293.30x = 12,438.86 × 2,745.27
  4. Step 4: Simplify right side
    8,293.30x = 34,148,029.19
  5. Step 5: Solve for x
    x = 34,148,029.19/8,293.30
  6. Step 6: Final answer
    x = 4,117.54

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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.