Home / 4,155.80-6,189.92-4,069.28

Finding the Fourth Proportional to 4,155.80, 6,189.92 and 4,069.28

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Solution

The fourth proportional to 4,155.80, 6,189.92 and 4,069.28 is: 6,061.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,155.80 : 6,189.92 = 4,069.28 : x
  2. Step 2: Convert to fraction form
    4,155.80/6,189.92 = 4,069.28/x
  3. Step 3: Cross multiply
    4,155.80x = 6,189.92 × 4,069.28
  4. Step 4: Simplify right side
    4,155.80x = 25,188,543.31
  5. Step 5: Solve for x
    x = 25,188,543.31/4,155.80
  6. Step 6: Final answer
    x = 6,061.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.