Home / 4,102.13-6,154.20-1,910.40

Finding the Fourth Proportional to 4,102.13, 6,154.20 and 1,910.40

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Solution

The fourth proportional to 4,102.13, 6,154.20 and 1,910.40 is: 2,866.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,102.13 : 6,154.20 = 1,910.40 : x
  2. Step 2: Convert to fraction form
    4,102.13/6,154.20 = 1,910.40/x
  3. Step 3: Cross multiply
    4,102.13x = 6,154.20 × 1,910.40
  4. Step 4: Simplify right side
    4,102.13x = 11,756,983.68
  5. Step 5: Solve for x
    x = 11,756,983.68/4,102.13
  6. Step 6: Final answer
    x = 2,866.07

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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.