Home / 5,175.53-7,764.51-1,477.81

Finding the Fourth Proportional to 5,175.53, 7,764.51 and 1,477.81

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Solution

The fourth proportional to 5,175.53, 7,764.51 and 1,477.81 is: 2,217.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,175.53 : 7,764.51 = 1,477.81 : x
  2. Step 2: Convert to fraction form
    5,175.53/7,764.51 = 1,477.81/x
  3. Step 3: Cross multiply
    5,175.53x = 7,764.51 × 1,477.81
  4. Step 4: Simplify right side
    5,175.53x = 11,474,470.52
  5. Step 5: Solve for x
    x = 11,474,470.52/5,175.53
  6. Step 6: Final answer
    x = 2,217.06

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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.