Home / 4,114.80-5,674.27-3,108.98

Finding the Fourth Proportional to 4,114.80, 5,674.27 and 3,108.98

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Solution

The fourth proportional to 4,114.80, 5,674.27 and 3,108.98 is: 4,287.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,114.80 : 5,674.27 = 3,108.98 : x
  2. Step 2: Convert to fraction form
    4,114.80/5,674.27 = 3,108.98/x
  3. Step 3: Cross multiply
    4,114.80x = 5,674.27 × 3,108.98
  4. Step 4: Simplify right side
    4,114.80x = 17,641,191.94
  5. Step 5: Solve for x
    x = 17,641,191.94/4,114.80
  6. Step 6: Final answer
    x = 4,287.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.