Home / 4,103.49-6,155.64-1,330.05

Finding the Fourth Proportional to 4,103.49, 6,155.64 and 1,330.05

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Solution

The fourth proportional to 4,103.49, 6,155.64 and 1,330.05 is: 1,995.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,103.49 : 6,155.64 = 1,330.05 : x
  2. Step 2: Convert to fraction form
    4,103.49/6,155.64 = 1,330.05/x
  3. Step 3: Cross multiply
    4,103.49x = 6,155.64 × 1,330.05
  4. Step 4: Simplify right side
    4,103.49x = 8,187,308.98
  5. Step 5: Solve for x
    x = 8,187,308.98/4,103.49
  6. Step 6: Final answer
    x = 1,995.21

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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.