Home / 4,972.12-6,861.42-3,203.74

Finding the Fourth Proportional to 4,972.12, 6,861.42 and 3,203.74

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Solution

The fourth proportional to 4,972.12, 6,861.42 and 3,203.74 is: 4,421.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,972.12 : 6,861.42 = 3,203.74 : x
  2. Step 2: Convert to fraction form
    4,972.12/6,861.42 = 3,203.74/x
  3. Step 3: Cross multiply
    4,972.12x = 6,861.42 × 3,203.74
  4. Step 4: Simplify right side
    4,972.12x = 21,982,205.71
  5. Step 5: Solve for x
    x = 21,982,205.71/4,972.12
  6. Step 6: Final answer
    x = 4,421.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.