Home / 7,451.53-11,177.30-1,904.87

Finding the Fourth Proportional to 7,451.53, 11,177.30 and 1,904.87

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Solution

The fourth proportional to 7,451.53, 11,177.30 and 1,904.87 is: 2,857.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,451.53 : 11,177.30 = 1,904.87 : x
  2. Step 2: Convert to fraction form
    7,451.53/11,177.30 = 1,904.87/x
  3. Step 3: Cross multiply
    7,451.53x = 11,177.30 × 1,904.87
  4. Step 4: Simplify right side
    7,451.53x = 21,291,325.44
  5. Step 5: Solve for x
    x = 21,291,325.44/7,451.53
  6. Step 6: Final answer
    x = 2,857.31

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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.