Home / 4,758.24-7,137.36-1,986.22

Finding the Fourth Proportional to 4,758.24, 7,137.36 and 1,986.22

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Solution

The fourth proportional to 4,758.24, 7,137.36 and 1,986.22 is: 2,979.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,758.24 : 7,137.36 = 1,986.22 : x
  2. Step 2: Convert to fraction form
    4,758.24/7,137.36 = 1,986.22/x
  3. Step 3: Cross multiply
    4,758.24x = 7,137.36 × 1,986.22
  4. Step 4: Simplify right side
    4,758.24x = 14,176,349.34
  5. Step 5: Solve for x
    x = 14,176,349.34/4,758.24
  6. Step 6: Final answer
    x = 2,979.33

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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.