Home / 8,508-12,739.14-4,804.68

Finding the Fourth Proportional to 8,508, 12,739.14 and 4,804.68

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Solution

The fourth proportional to 8,508, 12,739.14 and 4,804.68 is: 7,194.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,508 : 12,739.14 = 4,804.68 : x
  2. Step 2: Convert to fraction form
    8,508/12,739.14 = 4,804.68/x
  3. Step 3: Cross multiply
    8,508x = 12,739.14 × 4,804.68
  4. Step 4: Simplify right side
    8,508x = 61,207,491.18
  5. Step 5: Solve for x
    x = 61,207,491.18/8,508
  6. Step 6: Final answer
    x = 7,194.11

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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.