Home / 4,145.17-6,219.91-1,836.13

Finding the Fourth Proportional to 4,145.17, 6,219.91 and 1,836.13

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Solution

The fourth proportional to 4,145.17, 6,219.91 and 1,836.13 is: 2,755.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,145.17 : 6,219.91 = 1,836.13 : x
  2. Step 2: Convert to fraction form
    4,145.17/6,219.91 = 1,836.13/x
  3. Step 3: Cross multiply
    4,145.17x = 6,219.91 × 1,836.13
  4. Step 4: Simplify right side
    4,145.17x = 11,420,527.66
  5. Step 5: Solve for x
    x = 11,420,527.66/4,145.17
  6. Step 6: Final answer
    x = 2,755.14

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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.