Home / 4,147.22-6,220.77-1,225.47

Finding the Fourth Proportional to 4,147.22, 6,220.77 and 1,225.47

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Solution

The fourth proportional to 4,147.22, 6,220.77 and 1,225.47 is: 1,838.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,147.22 : 6,220.77 = 1,225.47 : x
  2. Step 2: Convert to fraction form
    4,147.22/6,220.77 = 1,225.47/x
  3. Step 3: Cross multiply
    4,147.22x = 6,220.77 × 1,225.47
  4. Step 4: Simplify right side
    4,147.22x = 7,623,367.01
  5. Step 5: Solve for x
    x = 7,623,367.01/4,147.22
  6. Step 6: Final answer
    x = 1,838.19

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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.