Home / 5,209.62-7,179.80-4,114.77

Finding the Fourth Proportional to 5,209.62, 7,179.80 and 4,114.77

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Solution

The fourth proportional to 5,209.62, 7,179.80 and 4,114.77 is: 5,670.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,209.62 : 7,179.80 = 4,114.77 : x
  2. Step 2: Convert to fraction form
    5,209.62/7,179.80 = 4,114.77/x
  3. Step 3: Cross multiply
    5,209.62x = 7,179.80 × 4,114.77
  4. Step 4: Simplify right side
    5,209.62x = 29,543,205.07
  5. Step 5: Solve for x
    x = 29,543,205.07/5,209.62
  6. Step 6: Final answer
    x = 5,670.89

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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.