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Finding the Fourth Proportional to 6,272.64, 9,408.24 and 1,890.09

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Solution

The fourth proportional to 6,272.64, 9,408.24 and 1,890.09 is: 2,834.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,272.64 : 9,408.24 = 1,890.09 : x
  2. Step 2: Convert to fraction form
    6,272.64/9,408.24 = 1,890.09/x
  3. Step 3: Cross multiply
    6,272.64x = 9,408.24 × 1,890.09
  4. Step 4: Simplify right side
    6,272.64x = 17,782,420.34
  5. Step 5: Solve for x
    x = 17,782,420.34/6,272.64
  6. Step 6: Final answer
    x = 2,834.92

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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.