Home / 8,424.14-12,636.22-4,523.18

Finding the Fourth Proportional to 8,424.14, 12,636.22 and 4,523.18

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Solution

The fourth proportional to 8,424.14, 12,636.22 and 4,523.18 is: 6,784.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,424.14 : 12,636.22 = 4,523.18 : x
  2. Step 2: Convert to fraction form
    8,424.14/12,636.22 = 4,523.18/x
  3. Step 3: Cross multiply
    8,424.14x = 12,636.22 × 4,523.18
  4. Step 4: Simplify right side
    8,424.14x = 57,155,897.58
  5. Step 5: Solve for x
    x = 57,155,897.58/8,424.14
  6. Step 6: Final answer
    x = 6,784.78

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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.