Home / 6,402.20-9,603.30-6,272.60

Finding the Fourth Proportional to 6,402.20, 9,603.30 and 6,272.60

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Solution

The fourth proportional to 6,402.20, 9,603.30 and 6,272.60 is: 9,408.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,402.20 : 9,603.30 = 6,272.60 : x
  2. Step 2: Convert to fraction form
    6,402.20/9,603.30 = 6,272.60/x
  3. Step 3: Cross multiply
    6,402.20x = 9,603.30 × 6,272.60
  4. Step 4: Simplify right side
    6,402.20x = 60,237,659.58
  5. Step 5: Solve for x
    x = 60,237,659.58/6,402.20
  6. Step 6: Final answer
    x = 9,408.90

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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.