Home / 6,561.72-9,055.11-3,577.50

Finding the Fourth Proportional to 6,561.72, 9,055.11 and 3,577.50

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Solution

The fourth proportional to 6,561.72, 9,055.11 and 3,577.50 is: 4,936.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,561.72 : 9,055.11 = 3,577.50 : x
  2. Step 2: Convert to fraction form
    6,561.72/9,055.11 = 3,577.50/x
  3. Step 3: Cross multiply
    6,561.72x = 9,055.11 × 3,577.50
  4. Step 4: Simplify right side
    6,561.72x = 32,394,656.03
  5. Step 5: Solve for x
    x = 32,394,656.03/6,561.72
  6. Step 6: Final answer
    x = 4,936.92

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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.