Home / 6,581.15-9,087.89-6,121.88

Finding the Fourth Proportional to 6,581.15, 9,087.89 and 6,121.88

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Solution

The fourth proportional to 6,581.15, 9,087.89 and 6,121.88 is: 8,453.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,581.15 : 9,087.89 = 6,121.88 : x
  2. Step 2: Convert to fraction form
    6,581.15/9,087.89 = 6,121.88/x
  3. Step 3: Cross multiply
    6,581.15x = 9,087.89 × 6,121.88
  4. Step 4: Simplify right side
    6,581.15x = 55,634,895.98
  5. Step 5: Solve for x
    x = 55,634,895.98/6,581.15
  6. Step 6: Final answer
    x = 8,453.68

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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.