Home / 6,213.28-9,321.54-3,582.40

Finding the Fourth Proportional to 6,213.28, 9,321.54 and 3,582.40

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Solution

The fourth proportional to 6,213.28, 9,321.54 and 3,582.40 is: 5,374.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,213.28 : 9,321.54 = 3,582.40 : x
  2. Step 2: Convert to fraction form
    6,213.28/9,321.54 = 3,582.40/x
  3. Step 3: Cross multiply
    6,213.28x = 9,321.54 × 3,582.40
  4. Step 4: Simplify right side
    6,213.28x = 33,393,484.90
  5. Step 5: Solve for x
    x = 33,393,484.90/6,213.28
  6. Step 6: Final answer
    x = 5,374.53

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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.