Home / 4,103.87-6,156.51-1,330.48

Finding the Fourth Proportional to 4,103.87, 6,156.51 and 1,330.48

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Solution

The fourth proportional to 4,103.87, 6,156.51 and 1,330.48 is: 1,995.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,103.87 : 6,156.51 = 1,330.48 : x
  2. Step 2: Convert to fraction form
    4,103.87/6,156.51 = 1,330.48/x
  3. Step 3: Cross multiply
    4,103.87x = 6,156.51 × 1,330.48
  4. Step 4: Simplify right side
    4,103.87x = 8,191,081.50
  5. Step 5: Solve for x
    x = 8,191,081.50/4,103.87
  6. Step 6: Final answer
    x = 1,995.94

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Double scale
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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.