Home / 8,969.33-13,452.02-3,420.73

Finding the Fourth Proportional to 8,969.33, 13,452.02 and 3,420.73

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Solution

The fourth proportional to 8,969.33, 13,452.02 and 3,420.73 is: 5,130.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,969.33 : 13,452.02 = 3,420.73 : x
  2. Step 2: Convert to fraction form
    8,969.33/13,452.02 = 3,420.73/x
  3. Step 3: Cross multiply
    8,969.33x = 13,452.02 × 3,420.73
  4. Step 4: Simplify right side
    8,969.33x = 46,015,644.01
  5. Step 5: Solve for x
    x = 46,015,644.01/8,969.33
  6. Step 6: Final answer
    x = 5,130.34

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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.