Home / 8,166.24-12,243.69-4,470.21

Finding the Fourth Proportional to 8,166.24, 12,243.69 and 4,470.21

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Solution

The fourth proportional to 8,166.24, 12,243.69 and 4,470.21 is: 6,702.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,166.24 : 12,243.69 = 4,470.21 : x
  2. Step 2: Convert to fraction form
    8,166.24/12,243.69 = 4,470.21/x
  3. Step 3: Cross multiply
    8,166.24x = 12,243.69 × 4,470.21
  4. Step 4: Simplify right side
    8,166.24x = 54,731,865.47
  5. Step 5: Solve for x
    x = 54,731,865.47/8,166.24
  6. Step 6: Final answer
    x = 6,702.21

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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.