Home / 6,661.02-9,989.47-2,217.73

Finding the Fourth Proportional to 6,661.02, 9,989.47 and 2,217.73

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Solution

The fourth proportional to 6,661.02, 9,989.47 and 2,217.73 is: 3,325.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,661.02 : 9,989.47 = 2,217.73 : x
  2. Step 2: Convert to fraction form
    6,661.02/9,989.47 = 2,217.73/x
  3. Step 3: Cross multiply
    6,661.02x = 9,989.47 × 2,217.73
  4. Step 4: Simplify right side
    6,661.02x = 22,153,947.30
  5. Step 5: Solve for x
    x = 22,153,947.30/6,661.02
  6. Step 6: Final answer
    x = 3,325.91

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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.