Home / 4,103.70-6,155.60-1,330.35

Finding the Fourth Proportional to 4,103.70, 6,155.60 and 1,330.35

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Solution

The fourth proportional to 4,103.70, 6,155.60 and 1,330.35 is: 1,995.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,103.70 : 6,155.60 = 1,330.35 : x
  2. Step 2: Convert to fraction form
    4,103.70/6,155.60 = 1,330.35/x
  3. Step 3: Cross multiply
    4,103.70x = 6,155.60 × 1,330.35
  4. Step 4: Simplify right side
    4,103.70x = 8,189,102.46
  5. Step 5: Solve for x
    x = 8,189,102.46/4,103.70
  6. Step 6: Final answer
    x = 1,995.54

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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.