Home / 6,577.12-9,076.39-3,889.30

Finding the Fourth Proportional to 6,577.12, 9,076.39 and 3,889.30

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Solution

The fourth proportional to 6,577.12, 9,076.39 and 3,889.30 is: 5,367.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,577.12 : 9,076.39 = 3,889.30 : x
  2. Step 2: Convert to fraction form
    6,577.12/9,076.39 = 3,889.30/x
  3. Step 3: Cross multiply
    6,577.12x = 9,076.39 × 3,889.30
  4. Step 4: Simplify right side
    6,577.12x = 35,300,788.23
  5. Step 5: Solve for x
    x = 35,300,788.23/6,577.12
  6. Step 6: Final answer
    x = 5,367.21

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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.