Home / 4,511.99-6,761.01-3,128.03

Finding the Fourth Proportional to 4,511.99, 6,761.01 and 3,128.03

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Solution

The fourth proportional to 4,511.99, 6,761.01 and 3,128.03 is: 4,687.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,511.99 : 6,761.01 = 3,128.03 : x
  2. Step 2: Convert to fraction form
    4,511.99/6,761.01 = 3,128.03/x
  3. Step 3: Cross multiply
    4,511.99x = 6,761.01 × 3,128.03
  4. Step 4: Simplify right side
    4,511.99x = 21,148,626.47
  5. Step 5: Solve for x
    x = 21,148,626.47/4,511.99
  6. Step 6: Final answer
    x = 4,687.21

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1.5x scale

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.