Home / 8,416.54-12,616.76-3,150.12

Finding the Fourth Proportional to 8,416.54, 12,616.76 and 3,150.12

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Solution

The fourth proportional to 8,416.54, 12,616.76 and 3,150.12 is: 4,722.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,416.54 : 12,616.76 = 3,150.12 : x
  2. Step 2: Convert to fraction form
    8,416.54/12,616.76 = 3,150.12/x
  3. Step 3: Cross multiply
    8,416.54x = 12,616.76 × 3,150.12
  4. Step 4: Simplify right side
    8,416.54x = 39,744,308.01
  5. Step 5: Solve for x
    x = 39,744,308.01/8,416.54
  6. Step 6: Final answer
    x = 4,722.17

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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.