Home / 4,091.19-6,135.92-1,869.39

Finding the Fourth Proportional to 4,091.19, 6,135.92 and 1,869.39

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Solution

The fourth proportional to 4,091.19, 6,135.92 and 1,869.39 is: 2,803.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,091.19 : 6,135.92 = 1,869.39 : x
  2. Step 2: Convert to fraction form
    4,091.19/6,135.92 = 1,869.39/x
  3. Step 3: Cross multiply
    4,091.19x = 6,135.92 × 1,869.39
  4. Step 4: Simplify right side
    4,091.19x = 11,470,419.89
  5. Step 5: Solve for x
    x = 11,470,419.89/4,091.19
  6. Step 6: Final answer
    x = 2,803.69

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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.