Home / 7,438.38-11,157.57-3,054.66

Finding the Fourth Proportional to 7,438.38, 11,157.57 and 3,054.66

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Solution

The fourth proportional to 7,438.38, 11,157.57 and 3,054.66 is: 4,581.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,438.38 : 11,157.57 = 3,054.66 : x
  2. Step 2: Convert to fraction form
    7,438.38/11,157.57 = 3,054.66/x
  3. Step 3: Cross multiply
    7,438.38x = 11,157.57 × 3,054.66
  4. Step 4: Simplify right side
    7,438.38x = 34,082,582.78
  5. Step 5: Solve for x
    x = 34,082,582.78/7,438.38
  6. Step 6: Final answer
    x = 4,581.99

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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.