Home / 4,104.68-6,155.60-1,638.83

Finding the Fourth Proportional to 4,104.68, 6,155.60 and 1,638.83

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Solution

The fourth proportional to 4,104.68, 6,155.60 and 1,638.83 is: 2,457.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,104.68 : 6,155.60 = 1,638.83 : x
  2. Step 2: Convert to fraction form
    4,104.68/6,155.60 = 1,638.83/x
  3. Step 3: Cross multiply
    4,104.68x = 6,155.60 × 1,638.83
  4. Step 4: Simplify right side
    4,104.68x = 10,087,989.14
  5. Step 5: Solve for x
    x = 10,087,989.14/4,104.68
  6. Step 6: Final answer
    x = 2,457.68

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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.