Home / 6,386.97-9,577.22-2,921.25

Finding the Fourth Proportional to 6,386.97, 9,577.22 and 2,921.25

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Solution

The fourth proportional to 6,386.97, 9,577.22 and 2,921.25 is: 4,380.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,386.97 : 9,577.22 = 2,921.25 : x
  2. Step 2: Convert to fraction form
    6,386.97/9,577.22 = 2,921.25/x
  3. Step 3: Cross multiply
    6,386.97x = 9,577.22 × 2,921.25
  4. Step 4: Simplify right side
    6,386.97x = 27,977,439.32
  5. Step 5: Solve for x
    x = 27,977,439.32/6,386.97
  6. Step 6: Final answer
    x = 4,380.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.