Home / 5,210.68-7,187.82-3,113.56

Finding the Fourth Proportional to 5,210.68, 7,187.82 and 3,113.56

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Solution

The fourth proportional to 5,210.68, 7,187.82 and 3,113.56 is: 4,294.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,210.68 : 7,187.82 = 3,113.56 : x
  2. Step 2: Convert to fraction form
    5,210.68/7,187.82 = 3,113.56/x
  3. Step 3: Cross multiply
    5,210.68x = 7,187.82 × 3,113.56
  4. Step 4: Simplify right side
    5,210.68x = 22,379,708.84
  5. Step 5: Solve for x
    x = 22,379,708.84/5,210.68
  6. Step 6: Final answer
    x = 4,294.97

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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.