Home / 5,438.07-7,504.11-3,079.62

Finding the Fourth Proportional to 5,438.07, 7,504.11 and 3,079.62

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Solution

The fourth proportional to 5,438.07, 7,504.11 and 3,079.62 is: 4,249.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,438.07 : 7,504.11 = 3,079.62 : x
  2. Step 2: Convert to fraction form
    5,438.07/7,504.11 = 3,079.62/x
  3. Step 3: Cross multiply
    5,438.07x = 7,504.11 × 3,079.62
  4. Step 4: Simplify right side
    5,438.07x = 23,109,807.24
  5. Step 5: Solve for x
    x = 23,109,807.24/5,438.07
  6. Step 6: Final answer
    x = 4,249.63

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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.