Home / 8,474.02-12,710.86-2,630.61

Finding the Fourth Proportional to 8,474.02, 12,710.86 and 2,630.61

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Solution

The fourth proportional to 8,474.02, 12,710.86 and 2,630.61 is: 3,945.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,474.02 : 12,710.86 = 2,630.61 : x
  2. Step 2: Convert to fraction form
    8,474.02/12,710.86 = 2,630.61/x
  3. Step 3: Cross multiply
    8,474.02x = 12,710.86 × 2,630.61
  4. Step 4: Simplify right side
    8,474.02x = 33,437,308.85
  5. Step 5: Solve for x
    x = 33,437,308.85/8,474.02
  6. Step 6: Final answer
    x = 3,945.86

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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.