Home / 6,811.08-10,221.48-2,428.58

Finding the Fourth Proportional to 6,811.08, 10,221.48 and 2,428.58

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Solution

The fourth proportional to 6,811.08, 10,221.48 and 2,428.58 is: 3,644.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,811.08 : 10,221.48 = 2,428.58 : x
  2. Step 2: Convert to fraction form
    6,811.08/10,221.48 = 2,428.58/x
  3. Step 3: Cross multiply
    6,811.08x = 10,221.48 × 2,428.58
  4. Step 4: Simplify right side
    6,811.08x = 24,823,630.79
  5. Step 5: Solve for x
    x = 24,823,630.79/6,811.08
  6. Step 6: Final answer
    x = 3,644.60

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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.