Home / 7,319.37-10,100.73-3,962.22

Finding the Fourth Proportional to 7,319.37, 10,100.73 and 3,962.22

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Solution

The fourth proportional to 7,319.37, 10,100.73 and 3,962.22 is: 5,467.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,319.37 : 10,100.73 = 3,962.22 : x
  2. Step 2: Convert to fraction form
    7,319.37/10,100.73 = 3,962.22/x
  3. Step 3: Cross multiply
    7,319.37x = 10,100.73 × 3,962.22
  4. Step 4: Simplify right side
    7,319.37x = 40,021,276.54
  5. Step 5: Solve for x
    x = 40,021,276.54/7,319.37
  6. Step 6: Final answer
    x = 5,467.86

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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.