Home / 6,221.60-9,332.40-3,586.40

Finding the Fourth Proportional to 6,221.60, 9,332.40 and 3,586.40

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Solution

The fourth proportional to 6,221.60, 9,332.40 and 3,586.40 is: 5,379.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,221.60 : 9,332.40 = 3,586.40 : x
  2. Step 2: Convert to fraction form
    6,221.60/9,332.40 = 3,586.40/x
  3. Step 3: Cross multiply
    6,221.60x = 9,332.40 × 3,586.40
  4. Step 4: Simplify right side
    6,221.60x = 33,469,719.36
  5. Step 5: Solve for x
    x = 33,469,719.36/6,221.60
  6. Step 6: Final answer
    x = 5,379.60

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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.