Home / 4,865.13-7,297.34-2,778.57

Finding the Fourth Proportional to 4,865.13, 7,297.34 and 2,778.57

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Solution

The fourth proportional to 4,865.13, 7,297.34 and 2,778.57 is: 4,167.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,865.13 : 7,297.34 = 2,778.57 : x
  2. Step 2: Convert to fraction form
    4,865.13/7,297.34 = 2,778.57/x
  3. Step 3: Cross multiply
    4,865.13x = 7,297.34 × 2,778.57
  4. Step 4: Simplify right side
    4,865.13x = 20,276,156.11
  5. Step 5: Solve for x
    x = 20,276,156.11/4,865.13
  6. Step 6: Final answer
    x = 4,167.65

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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.