Home / 4,147.22-6,221.73-1,225.76

Finding the Fourth Proportional to 4,147.22, 6,221.73 and 1,225.76

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Solution

The fourth proportional to 4,147.22, 6,221.73 and 1,225.76 is: 1,838.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,147.22 : 6,221.73 = 1,225.76 : x
  2. Step 2: Convert to fraction form
    4,147.22/6,221.73 = 1,225.76/x
  3. Step 3: Cross multiply
    4,147.22x = 6,221.73 × 1,225.76
  4. Step 4: Simplify right side
    4,147.22x = 7,626,347.76
  5. Step 5: Solve for x
    x = 7,626,347.76/4,147.22
  6. Step 6: Final answer
    x = 1,838.91

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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.