Home / 6,216.71-9,321.05-2,661.15

Finding the Fourth Proportional to 6,216.71, 9,321.05 and 2,661.15

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Solution

The fourth proportional to 6,216.71, 9,321.05 and 2,661.15 is: 3,990.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,216.71 : 9,321.05 = 2,661.15 : x
  2. Step 2: Convert to fraction form
    6,216.71/9,321.05 = 2,661.15/x
  3. Step 3: Cross multiply
    6,216.71x = 9,321.05 × 2,661.15
  4. Step 4: Simplify right side
    6,216.71x = 24,804,652.30
  5. Step 5: Solve for x
    x = 24,804,652.30/6,216.71
  6. Step 6: Final answer
    x = 3,990.00

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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.