Home / 4,162.71-6,242.94-1,663.78

Finding the Fourth Proportional to 4,162.71, 6,242.94 and 1,663.78

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Solution

The fourth proportional to 4,162.71, 6,242.94 and 1,663.78 is: 2,495.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,162.71 : 6,242.94 = 1,663.78 : x
  2. Step 2: Convert to fraction form
    4,162.71/6,242.94 = 1,663.78/x
  3. Step 3: Cross multiply
    4,162.71x = 6,242.94 × 1,663.78
  4. Step 4: Simplify right side
    4,162.71x = 10,386,878.71
  5. Step 5: Solve for x
    x = 10,386,878.71/4,162.71
  6. Step 6: Final answer
    x = 2,495.22

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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.