Home / 7,125.75-9,832.89-4,141.56

Finding the Fourth Proportional to 7,125.75, 9,832.89 and 4,141.56

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Solution

The fourth proportional to 7,125.75, 9,832.89 and 4,141.56 is: 5,714.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,125.75 : 9,832.89 = 4,141.56 : x
  2. Step 2: Convert to fraction form
    7,125.75/9,832.89 = 4,141.56/x
  3. Step 3: Cross multiply
    7,125.75x = 9,832.89 × 4,141.56
  4. Step 4: Simplify right side
    7,125.75x = 40,723,503.91
  5. Step 5: Solve for x
    x = 40,723,503.91/7,125.75
  6. Step 6: Final answer
    x = 5,714.98

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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.