Home / 6,393.60-9,586.08-2,231.64

Finding the Fourth Proportional to 6,393.60, 9,586.08 and 2,231.64

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Solution

The fourth proportional to 6,393.60, 9,586.08 and 2,231.64 is: 3,345.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,393.60 : 9,586.08 = 2,231.64 : x
  2. Step 2: Convert to fraction form
    6,393.60/9,586.08 = 2,231.64/x
  3. Step 3: Cross multiply
    6,393.60x = 9,586.08 × 2,231.64
  4. Step 4: Simplify right side
    6,393.60x = 21,392,679.57
  5. Step 5: Solve for x
    x = 21,392,679.57/6,393.60
  6. Step 6: Final answer
    x = 3,345.95

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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.