Home / 7,375.50-10,178.60-4,231.89

Finding the Fourth Proportional to 7,375.50, 10,178.60 and 4,231.89

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Solution

The fourth proportional to 7,375.50, 10,178.60 and 4,231.89 is: 5,840.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,375.50 : 10,178.60 = 4,231.89 : x
  2. Step 2: Convert to fraction form
    7,375.50/10,178.60 = 4,231.89/x
  3. Step 3: Cross multiply
    7,375.50x = 10,178.60 × 4,231.89
  4. Step 4: Simplify right side
    7,375.50x = 43,074,694.39
  5. Step 5: Solve for x
    x = 43,074,694.39/7,375.50
  6. Step 6: Final answer
    x = 5,840.24

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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.