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Finding the Fourth Proportional to 8,339.34, 12,508.08 and 2,099.35

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Solution

The fourth proportional to 8,339.34, 12,508.08 and 2,099.35 is: 3,148.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,339.34 : 12,508.08 = 2,099.35 : x
  2. Step 2: Convert to fraction form
    8,339.34/12,508.08 = 2,099.35/x
  3. Step 3: Cross multiply
    8,339.34x = 12,508.08 × 2,099.35
  4. Step 4: Simplify right side
    8,339.34x = 26,258,837.75
  5. Step 5: Solve for x
    x = 26,258,837.75/8,339.34
  6. Step 6: Final answer
    x = 3,148.79

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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.