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Finding the Fourth Proportional to 8,984.01, 13,480.21 and 3,435.53

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Solution

The fourth proportional to 8,984.01, 13,480.21 and 3,435.53 is: 5,154.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,984.01 : 13,480.21 = 3,435.53 : x
  2. Step 2: Convert to fraction form
    8,984.01/13,480.21 = 3,435.53/x
  3. Step 3: Cross multiply
    8,984.01x = 13,480.21 × 3,435.53
  4. Step 4: Simplify right side
    8,984.01x = 46,311,659.26
  5. Step 5: Solve for x
    x = 46,311,659.26/8,984.01
  6. Step 6: Final answer
    x = 5,154.90

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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.