Home / 4,751.49-7,128.77-2,285.99

Finding the Fourth Proportional to 4,751.49, 7,128.77 and 2,285.99

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Solution

The fourth proportional to 4,751.49, 7,128.77 and 2,285.99 is: 3,429.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,751.49 : 7,128.77 = 2,285.99 : x
  2. Step 2: Convert to fraction form
    4,751.49/7,128.77 = 2,285.99/x
  3. Step 3: Cross multiply
    4,751.49x = 7,128.77 × 2,285.99
  4. Step 4: Simplify right side
    4,751.49x = 16,296,296.93
  5. Step 5: Solve for x
    x = 16,296,296.93/4,751.49
  6. Step 6: Final answer
    x = 3,429.72

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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.