Home / 8,508.29-12,749.27-4,342.46

Finding the Fourth Proportional to 8,508.29, 12,749.27 and 4,342.46

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Solution

The fourth proportional to 8,508.29, 12,749.27 and 4,342.46 is: 6,506.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,508.29 : 12,749.27 = 4,342.46 : x
  2. Step 2: Convert to fraction form
    8,508.29/12,749.27 = 4,342.46/x
  3. Step 3: Cross multiply
    8,508.29x = 12,749.27 × 4,342.46
  4. Step 4: Simplify right side
    8,508.29x = 55,363,109.55
  5. Step 5: Solve for x
    x = 55,363,109.55/8,508.29
  6. Step 6: Final answer
    x = 6,506.96

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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.