Home / 4,089.50-6,134.26-2,790.26

Finding the Fourth Proportional to 4,089.50, 6,134.26 and 2,790.26

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Solution

The fourth proportional to 4,089.50, 6,134.26 and 2,790.26 is: 4,185.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,089.50 : 6,134.26 = 2,790.26 : x
  2. Step 2: Convert to fraction form
    4,089.50/6,134.26 = 2,790.26/x
  3. Step 3: Cross multiply
    4,089.50x = 6,134.26 × 2,790.26
  4. Step 4: Simplify right side
    4,089.50x = 17,116,180.31
  5. Step 5: Solve for x
    x = 17,116,180.31/4,089.50
  6. Step 6: Final answer
    x = 4,185.40

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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.