Home / 6,237.20-9,355.80-4,163.60

Finding the Fourth Proportional to 6,237.20, 9,355.80 and 4,163.60

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Solution

The fourth proportional to 6,237.20, 9,355.80 and 4,163.60 is: 6,245.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,237.20 : 9,355.80 = 4,163.60 : x
  2. Step 2: Convert to fraction form
    6,237.20/9,355.80 = 4,163.60/x
  3. Step 3: Cross multiply
    6,237.20x = 9,355.80 × 4,163.60
  4. Step 4: Simplify right side
    6,237.20x = 38,953,808.88
  5. Step 5: Solve for x
    x = 38,953,808.88/6,237.20
  6. Step 6: Final answer
    x = 6,245.40

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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.