Home / 4,128.14-6,194.61-1,663.18

Finding the Fourth Proportional to 4,128.14, 6,194.61 and 1,663.18

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Solution

The fourth proportional to 4,128.14, 6,194.61 and 1,663.18 is: 2,495.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,128.14 : 6,194.61 = 1,663.18 : x
  2. Step 2: Convert to fraction form
    4,128.14/6,194.61 = 1,663.18/x
  3. Step 3: Cross multiply
    4,128.14x = 6,194.61 × 1,663.18
  4. Step 4: Simplify right side
    4,128.14x = 10,302,751.46
  5. Step 5: Solve for x
    x = 10,302,751.46/4,128.14
  6. Step 6: Final answer
    x = 2,495.74

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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.