Home / 4,128.69-6,195.35-1,665.26

Finding the Fourth Proportional to 4,128.69, 6,195.35 and 1,665.26

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Solution

The fourth proportional to 4,128.69, 6,195.35 and 1,665.26 is: 2,498.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,128.69 : 6,195.35 = 1,665.26 : x
  2. Step 2: Convert to fraction form
    4,128.69/6,195.35 = 1,665.26/x
  3. Step 3: Cross multiply
    4,128.69x = 6,195.35 × 1,665.26
  4. Step 4: Simplify right side
    4,128.69x = 10,316,841.73
  5. Step 5: Solve for x
    x = 10,316,841.73/4,128.69
  6. Step 6: Final answer
    x = 2,498.82

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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.