Home / 4,103.58-6,155.45-1,330.24

Finding the Fourth Proportional to 4,103.58, 6,155.45 and 1,330.24

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Solution

The fourth proportional to 4,103.58, 6,155.45 and 1,330.24 is: 1,995.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,103.58 : 6,155.45 = 1,330.24 : x
  2. Step 2: Convert to fraction form
    4,103.58/6,155.45 = 1,330.24/x
  3. Step 3: Cross multiply
    4,103.58x = 6,155.45 × 1,330.24
  4. Step 4: Simplify right side
    4,103.58x = 8,188,219.16
  5. Step 5: Solve for x
    x = 8,188,219.16/4,103.58
  6. Step 6: Final answer
    x = 1,995.39

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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.