Home / 7,319.21-10,100.50-3,962.03

Finding the Fourth Proportional to 7,319.21, 10,100.50 and 3,962.03

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Solution

The fourth proportional to 7,319.21, 10,100.50 and 3,962.03 is: 5,467.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,319.21 : 10,100.50 = 3,962.03 : x
  2. Step 2: Convert to fraction form
    7,319.21/10,100.50 = 3,962.03/x
  3. Step 3: Cross multiply
    7,319.21x = 10,100.50 × 3,962.03
  4. Step 4: Simplify right side
    7,319.21x = 40,018,480.42
  5. Step 5: Solve for x
    x = 40,018,480.42/7,319.21
  6. Step 6: Final answer
    x = 5,467.60

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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.