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Finding the Fourth Proportional to 8,903.03, 13,361.10 and 4,223.02

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Solution

The fourth proportional to 8,903.03, 13,361.10 and 4,223.02 is: 6,337.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,903.03 : 13,361.10 = 4,223.02 : x
  2. Step 2: Convert to fraction form
    8,903.03/13,361.10 = 4,223.02/x
  3. Step 3: Cross multiply
    8,903.03x = 13,361.10 × 4,223.02
  4. Step 4: Simplify right side
    8,903.03x = 56,424,159.12
  5. Step 5: Solve for x
    x = 56,424,159.12/8,903.03
  6. Step 6: Final answer
    x = 6,337.64

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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.