Home / 4,147.58-6,221.34-1,225.85

Finding the Fourth Proportional to 4,147.58, 6,221.34 and 1,225.85

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Solution

The fourth proportional to 4,147.58, 6,221.34 and 1,225.85 is: 1,838.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,147.58 : 6,221.34 = 1,225.85 : x
  2. Step 2: Convert to fraction form
    4,147.58/6,221.34 = 1,225.85/x
  3. Step 3: Cross multiply
    4,147.58x = 6,221.34 × 1,225.85
  4. Step 4: Simplify right side
    4,147.58x = 7,626,398.53
  5. Step 5: Solve for x
    x = 7,626,398.53/4,147.58
  6. Step 6: Final answer
    x = 1,838.76

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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.