Home / 7,439.77-11,149.22-5,349.94

Finding the Fourth Proportional to 7,439.77, 11,149.22 and 5,349.94

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Solution

The fourth proportional to 7,439.77, 11,149.22 and 5,349.94 is: 8,017.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,439.77 : 11,149.22 = 5,349.94 : x
  2. Step 2: Convert to fraction form
    7,439.77/11,149.22 = 5,349.94/x
  3. Step 3: Cross multiply
    7,439.77x = 11,149.22 × 5,349.94
  4. Step 4: Simplify right side
    7,439.77x = 59,647,575.55
  5. Step 5: Solve for x
    x = 59,647,575.55/7,439.77
  6. Step 6: Final answer
    x = 8,017.40

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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.