Home / 4,105.18-6,156.35-1,639.34

Finding the Fourth Proportional to 4,105.18, 6,156.35 and 1,639.34

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Solution

The fourth proportional to 4,105.18, 6,156.35 and 1,639.34 is: 2,458.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,105.18 : 6,156.35 = 1,639.34 : x
  2. Step 2: Convert to fraction form
    4,105.18/6,156.35 = 1,639.34/x
  3. Step 3: Cross multiply
    4,105.18x = 6,156.35 × 1,639.34
  4. Step 4: Simplify right side
    4,105.18x = 10,092,311.83
  5. Step 5: Solve for x
    x = 10,092,311.83/4,105.18
  6. Step 6: Final answer
    x = 2,458.44

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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.