Home / 5,351.85-7,386.18-3,113.82

Finding the Fourth Proportional to 5,351.85, 7,386.18 and 3,113.82

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Solution

The fourth proportional to 5,351.85, 7,386.18 and 3,113.82 is: 4,297.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,351.85 : 7,386.18 = 3,113.82 : x
  2. Step 2: Convert to fraction form
    5,351.85/7,386.18 = 3,113.82/x
  3. Step 3: Cross multiply
    5,351.85x = 7,386.18 × 3,113.82
  4. Step 4: Simplify right side
    5,351.85x = 22,999,235.01
  5. Step 5: Solve for x
    x = 22,999,235.01/5,351.85
  6. Step 6: Final answer
    x = 4,297.44

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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.