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Finding the Fourth Proportional to 6,272.51, 9,408.49 and 1,889.87

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Solution

The fourth proportional to 6,272.51, 9,408.49 and 1,889.87 is: 2,834.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,272.51 : 9,408.49 = 1,889.87 : x
  2. Step 2: Convert to fraction form
    6,272.51/9,408.49 = 1,889.87/x
  3. Step 3: Cross multiply
    6,272.51x = 9,408.49 × 1,889.87
  4. Step 4: Simplify right side
    6,272.51x = 17,780,771.23
  5. Step 5: Solve for x
    x = 17,780,771.23/6,272.51
  6. Step 6: Final answer
    x = 2,834.72

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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.