Home / 4,758.13-7,137.24-2,125.77

Finding the Fourth Proportional to 4,758.13, 7,137.24 and 2,125.77

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Solution

The fourth proportional to 4,758.13, 7,137.24 and 2,125.77 is: 3,188.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,758.13 : 7,137.24 = 2,125.77 : x
  2. Step 2: Convert to fraction form
    4,758.13/7,137.24 = 2,125.77/x
  3. Step 3: Cross multiply
    4,758.13x = 7,137.24 × 2,125.77
  4. Step 4: Simplify right side
    4,758.13x = 15,172,130.67
  5. Step 5: Solve for x
    x = 15,172,130.67/4,758.13
  6. Step 6: Final answer
    x = 3,188.68

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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.