Home / 4,125.71-6,189.51-1,203.91

Finding the Fourth Proportional to 4,125.71, 6,189.51 and 1,203.91

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Solution

The fourth proportional to 4,125.71, 6,189.51 and 1,203.91 is: 1,806.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,125.71 : 6,189.51 = 1,203.91 : x
  2. Step 2: Convert to fraction form
    4,125.71/6,189.51 = 1,203.91/x
  3. Step 3: Cross multiply
    4,125.71x = 6,189.51 × 1,203.91
  4. Step 4: Simplify right side
    4,125.71x = 7,451,612.98
  5. Step 5: Solve for x
    x = 7,451,612.98/4,125.71
  6. Step 6: Final answer
    x = 1,806.14

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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.