Home / 4,129.21-6,193.75-1,663.97

Finding the Fourth Proportional to 4,129.21, 6,193.75 and 1,663.97

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Solution

The fourth proportional to 4,129.21, 6,193.75 and 1,663.97 is: 2,495.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,129.21 : 6,193.75 = 1,663.97 : x
  2. Step 2: Convert to fraction form
    4,129.21/6,193.75 = 1,663.97/x
  3. Step 3: Cross multiply
    4,129.21x = 6,193.75 × 1,663.97
  4. Step 4: Simplify right side
    4,129.21x = 10,306,214.19
  5. Step 5: Solve for x
    x = 10,306,214.19/4,129.21
  6. Step 6: Final answer
    x = 2,495.93

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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.