Home / 4,172.72-6,223.75-3,620.52

Finding the Fourth Proportional to 4,172.72, 6,223.75 and 3,620.52

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Solution

The fourth proportional to 4,172.72, 6,223.75 and 3,620.52 is: 5,400.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,172.72 : 6,223.75 = 3,620.52 : x
  2. Step 2: Convert to fraction form
    4,172.72/6,223.75 = 3,620.52/x
  3. Step 3: Cross multiply
    4,172.72x = 6,223.75 × 3,620.52
  4. Step 4: Simplify right side
    4,172.72x = 22,533,211.35
  5. Step 5: Solve for x
    x = 22,533,211.35/4,172.72
  6. Step 6: Final answer
    x = 5,400.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.