Home / 6,408.08-9,546.40-6,172.98

Finding the Fourth Proportional to 6,408.08, 9,546.40 and 6,172.98

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Solution

The fourth proportional to 6,408.08, 9,546.40 and 6,172.98 is: 9,196.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,408.08 : 9,546.40 = 6,172.98 : x
  2. Step 2: Convert to fraction form
    6,408.08/9,546.40 = 6,172.98/x
  3. Step 3: Cross multiply
    6,408.08x = 9,546.40 × 6,172.98
  4. Step 4: Simplify right side
    6,408.08x = 58,929,736.27
  5. Step 5: Solve for x
    x = 58,929,736.27/6,408.08
  6. Step 6: Final answer
    x = 9,196.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.