Home / 6,561.18-9,091.85-6,481.02

Finding the Fourth Proportional to 6,561.18, 9,091.85 and 6,481.02

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Solution

The fourth proportional to 6,561.18, 9,091.85 and 6,481.02 is: 8,980.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,561.18 : 9,091.85 = 6,481.02 : x
  2. Step 2: Convert to fraction form
    6,561.18/9,091.85 = 6,481.02/x
  3. Step 3: Cross multiply
    6,561.18x = 9,091.85 × 6,481.02
  4. Step 4: Simplify right side
    6,561.18x = 58,924,429.28
  5. Step 5: Solve for x
    x = 58,924,429.28/6,561.18
  6. Step 6: Final answer
    x = 8,980.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.