Home / 5,623.42-7,760.31-3,105.58

Finding the Fourth Proportional to 5,623.42, 7,760.31 and 3,105.58

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Solution

The fourth proportional to 5,623.42, 7,760.31 and 3,105.58 is: 4,285.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,623.42 : 7,760.31 = 3,105.58 : x
  2. Step 2: Convert to fraction form
    5,623.42/7,760.31 = 3,105.58/x
  3. Step 3: Cross multiply
    5,623.42x = 7,760.31 × 3,105.58
  4. Step 4: Simplify right side
    5,623.42x = 24,100,263.53
  5. Step 5: Solve for x
    x = 24,100,263.53/5,623.42
  6. Step 6: Final answer
    x = 4,285.70

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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.