Home / 6,561.78-9,055.21-3,577.60

Finding the Fourth Proportional to 6,561.78, 9,055.21 and 3,577.60

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Solution

The fourth proportional to 6,561.78, 9,055.21 and 3,577.60 is: 4,937.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,561.78 : 9,055.21 = 3,577.60 : x
  2. Step 2: Convert to fraction form
    6,561.78/9,055.21 = 3,577.60/x
  3. Step 3: Cross multiply
    6,561.78x = 9,055.21 × 3,577.60
  4. Step 4: Simplify right side
    6,561.78x = 32,395,919.30
  5. Step 5: Solve for x
    x = 32,395,919.30/6,561.78
  6. Step 6: Final answer
    x = 4,937.06

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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.