Home / 8,986.02-13,480.85-3,146.73

Finding the Fourth Proportional to 8,986.02, 13,480.85 and 3,146.73

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Solution

The fourth proportional to 8,986.02, 13,480.85 and 3,146.73 is: 4,720.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,986.02 : 13,480.85 = 3,146.73 : x
  2. Step 2: Convert to fraction form
    8,986.02/13,480.85 = 3,146.73/x
  3. Step 3: Cross multiply
    8,986.02x = 13,480.85 × 3,146.73
  4. Step 4: Simplify right side
    8,986.02x = 42,420,595.12
  5. Step 5: Solve for x
    x = 42,420,595.12/8,986.02
  6. Step 6: Final answer
    x = 4,720.73

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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.