Home / 6,660.02-9,987.98-2,216.73

Finding the Fourth Proportional to 6,660.02, 9,987.98 and 2,216.73

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Solution

The fourth proportional to 6,660.02, 9,987.98 and 2,216.73 is: 3,324.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,660.02 : 9,987.98 = 2,216.73 : x
  2. Step 2: Convert to fraction form
    6,660.02/9,987.98 = 2,216.73/x
  3. Step 3: Cross multiply
    6,660.02x = 9,987.98 × 2,216.73
  4. Step 4: Simplify right side
    6,660.02x = 22,140,681.28
  5. Step 5: Solve for x
    x = 22,140,681.28/6,660.02
  6. Step 6: Final answer
    x = 3,324.42

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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.