Home / 6,742.25-10,113.85-2,125.13

Finding the Fourth Proportional to 6,742.25, 10,113.85 and 2,125.13

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Solution

The fourth proportional to 6,742.25, 10,113.85 and 2,125.13 is: 3,187.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,742.25 : 10,113.85 = 2,125.13 : x
  2. Step 2: Convert to fraction form
    6,742.25/10,113.85 = 2,125.13/x
  3. Step 3: Cross multiply
    6,742.25x = 10,113.85 × 2,125.13
  4. Step 4: Simplify right side
    6,742.25x = 21,493,195.48
  5. Step 5: Solve for x
    x = 21,493,195.48/6,742.25
  6. Step 6: Final answer
    x = 3,187.84

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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.