Home / 8,313.60-12,460.98-2,765.64

Finding the Fourth Proportional to 8,313.60, 12,460.98 and 2,765.64

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Solution

The fourth proportional to 8,313.60, 12,460.98 and 2,765.64 is: 4,145.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,313.60 : 12,460.98 = 2,765.64 : x
  2. Step 2: Convert to fraction form
    8,313.60/12,460.98 = 2,765.64/x
  3. Step 3: Cross multiply
    8,313.60x = 12,460.98 × 2,765.64
  4. Step 4: Simplify right side
    8,313.60x = 34,462,584.73
  5. Step 5: Solve for x
    x = 34,462,584.73/8,313.60
  6. Step 6: Final answer
    x = 4,145.33

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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.