Home / 8,134.74-12,188.16-5,461.32

Finding the Fourth Proportional to 8,134.74, 12,188.16 and 5,461.32

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Solution

The fourth proportional to 8,134.74, 12,188.16 and 5,461.32 is: 8,182.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,134.74 : 12,188.16 = 5,461.32 : x
  2. Step 2: Convert to fraction form
    8,134.74/12,188.16 = 5,461.32/x
  3. Step 3: Cross multiply
    8,134.74x = 12,188.16 × 5,461.32
  4. Step 4: Simplify right side
    8,134.74x = 66,563,487.68
  5. Step 5: Solve for x
    x = 66,563,487.68/8,134.74
  6. Step 6: Final answer
    x = 8,182.62

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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.