Home / 4,128.06-6,192.30-1,530.39

Finding the Fourth Proportional to 4,128.06, 6,192.30 and 1,530.39

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Solution

The fourth proportional to 4,128.06, 6,192.30 and 1,530.39 is: 2,295.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,128.06 : 6,192.30 = 1,530.39 : x
  2. Step 2: Convert to fraction form
    4,128.06/6,192.30 = 1,530.39/x
  3. Step 3: Cross multiply
    4,128.06x = 6,192.30 × 1,530.39
  4. Step 4: Simplify right side
    4,128.06x = 9,476,634.00
  5. Step 5: Solve for x
    x = 9,476,634.00/4,128.06
  6. Step 6: Final answer
    x = 2,295.66

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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.