Home / 4,212.10-6,318.15-1,616.86

Finding the Fourth Proportional to 4,212.10, 6,318.15 and 1,616.86

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Solution

The fourth proportional to 4,212.10, 6,318.15 and 1,616.86 is: 2,425.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,212.10 : 6,318.15 = 1,616.86 : x
  2. Step 2: Convert to fraction form
    4,212.10/6,318.15 = 1,616.86/x
  3. Step 3: Cross multiply
    4,212.10x = 6,318.15 × 1,616.86
  4. Step 4: Simplify right side
    4,212.10x = 10,215,564.01
  5. Step 5: Solve for x
    x = 10,215,564.01/4,212.10
  6. Step 6: Final answer
    x = 2,425.29

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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.