Home / 8,630.48-12,944.88-3,083.33

Finding the Fourth Proportional to 8,630.48, 12,944.88 and 3,083.33

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Solution

The fourth proportional to 8,630.48, 12,944.88 and 3,083.33 is: 4,624.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,630.48 : 12,944.88 = 3,083.33 : x
  2. Step 2: Convert to fraction form
    8,630.48/12,944.88 = 3,083.33/x
  3. Step 3: Cross multiply
    8,630.48x = 12,944.88 × 3,083.33
  4. Step 4: Simplify right side
    8,630.48x = 39,913,369.21
  5. Step 5: Solve for x
    x = 39,913,369.21/8,630.48
  6. Step 6: Final answer
    x = 4,624.70

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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.