Home / 7,319.41-10,100.80-3,962.25

Finding the Fourth Proportional to 7,319.41, 10,100.80 and 3,962.25

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Solution

The fourth proportional to 7,319.41, 10,100.80 and 3,962.25 is: 5,467.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,319.41 : 10,100.80 = 3,962.25 : x
  2. Step 2: Convert to fraction form
    7,319.41/10,100.80 = 3,962.25/x
  3. Step 3: Cross multiply
    7,319.41x = 10,100.80 × 3,962.25
  4. Step 4: Simplify right side
    7,319.41x = 40,021,937.63
  5. Step 5: Solve for x
    x = 40,021,937.63/7,319.41
  6. Step 6: Final answer
    x = 5,467.92

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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.