Home / 4,109.80-6,159.30-3,645.40

Finding the Fourth Proportional to 4,109.80, 6,159.30 and 3,645.40

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Solution

The fourth proportional to 4,109.80, 6,159.30 and 3,645.40 is: 5,463.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,109.80 : 6,159.30 = 3,645.40 : x
  2. Step 2: Convert to fraction form
    4,109.80/6,159.30 = 3,645.40/x
  3. Step 3: Cross multiply
    4,109.80x = 6,159.30 × 3,645.40
  4. Step 4: Simplify right side
    4,109.80x = 22,453,112.22
  5. Step 5: Solve for x
    x = 22,453,112.22/4,109.80
  6. Step 6: Final answer
    x = 5,463.31

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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.