Home / 4,089.42-6,129.57-1,623.58

Finding the Fourth Proportional to 4,089.42, 6,129.57 and 1,623.58

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Solution

The fourth proportional to 4,089.42, 6,129.57 and 1,623.58 is: 2,433.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,089.42 : 6,129.57 = 1,623.58 : x
  2. Step 2: Convert to fraction form
    4,089.42/6,129.57 = 1,623.58/x
  3. Step 3: Cross multiply
    4,089.42x = 6,129.57 × 1,623.58
  4. Step 4: Simplify right side
    4,089.42x = 9,951,838.03
  5. Step 5: Solve for x
    x = 9,951,838.03/4,089.42
  6. Step 6: Final answer
    x = 2,433.56

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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.