Home / 4,135.71-6,203.61-1,214.07

Finding the Fourth Proportional to 4,135.71, 6,203.61 and 1,214.07

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Solution

The fourth proportional to 4,135.71, 6,203.61 and 1,214.07 is: 1,821.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,135.71 : 6,203.61 = 1,214.07 : x
  2. Step 2: Convert to fraction form
    4,135.71/6,203.61 = 1,214.07/x
  3. Step 3: Cross multiply
    4,135.71x = 6,203.61 × 1,214.07
  4. Step 4: Simplify right side
    4,135.71x = 7,531,616.79
  5. Step 5: Solve for x
    x = 7,531,616.79/4,135.71
  6. Step 6: Final answer
    x = 1,821.12

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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.