Home / 8,330.56-12,495.81-2,487.16

Finding the Fourth Proportional to 8,330.56, 12,495.81 and 2,487.16

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Solution

The fourth proportional to 8,330.56, 12,495.81 and 2,487.16 is: 3,730.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,330.56 : 12,495.81 = 2,487.16 : x
  2. Step 2: Convert to fraction form
    8,330.56/12,495.81 = 2,487.16/x
  3. Step 3: Cross multiply
    8,330.56x = 12,495.81 × 2,487.16
  4. Step 4: Simplify right side
    8,330.56x = 31,079,078.80
  5. Step 5: Solve for x
    x = 31,079,078.80/8,330.56
  6. Step 6: Final answer
    x = 3,730.73

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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.