Home / 4,212.58-6,343.37-3,124.66

Finding the Fourth Proportional to 4,212.58, 6,343.37 and 3,124.66

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Solution

The fourth proportional to 4,212.58, 6,343.37 and 3,124.66 is: 4,705.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,212.58 : 6,343.37 = 3,124.66 : x
  2. Step 2: Convert to fraction form
    4,212.58/6,343.37 = 3,124.66/x
  3. Step 3: Cross multiply
    4,212.58x = 6,343.37 × 3,124.66
  4. Step 4: Simplify right side
    4,212.58x = 19,820,874.50
  5. Step 5: Solve for x
    x = 19,820,874.50/4,212.58
  6. Step 6: Final answer
    x = 4,705.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.