Home / 5,236.18-7,225.66-2,878.27

Finding the Fourth Proportional to 5,236.18, 7,225.66 and 2,878.27

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Solution

The fourth proportional to 5,236.18, 7,225.66 and 2,878.27 is: 3,971.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,236.18 : 7,225.66 = 2,878.27 : x
  2. Step 2: Convert to fraction form
    5,236.18/7,225.66 = 2,878.27/x
  3. Step 3: Cross multiply
    5,236.18x = 7,225.66 × 2,878.27
  4. Step 4: Simplify right side
    5,236.18x = 20,797,400.41
  5. Step 5: Solve for x
    x = 20,797,400.41/5,236.18
  6. Step 6: Final answer
    x = 3,971.87

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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.