Home / 7,231.06-9,977.80-4,247.86

Finding the Fourth Proportional to 7,231.06, 9,977.80 and 4,247.86

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Solution

The fourth proportional to 7,231.06, 9,977.80 and 4,247.86 is: 5,861.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,231.06 : 9,977.80 = 4,247.86 : x
  2. Step 2: Convert to fraction form
    7,231.06/9,977.80 = 4,247.86/x
  3. Step 3: Cross multiply
    7,231.06x = 9,977.80 × 4,247.86
  4. Step 4: Simplify right side
    7,231.06x = 42,384,226.38
  5. Step 5: Solve for x
    x = 42,384,226.38/7,231.06
  6. Step 6: Final answer
    x = 5,861.42

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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.