Home / 8,346.60-12,518.64-2,799

Finding the Fourth Proportional to 8,346.60, 12,518.64 and 2,799

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Solution

The fourth proportional to 8,346.60, 12,518.64 and 2,799 is: 4,198.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,346.60 : 12,518.64 = 2,799 : x
  2. Step 2: Convert to fraction form
    8,346.60/12,518.64 = 2,799/x
  3. Step 3: Cross multiply
    8,346.60x = 12,518.64 × 2,799
  4. Step 4: Simplify right side
    8,346.60x = 35,039,673.36
  5. Step 5: Solve for x
    x = 35,039,673.36/8,346.60
  6. Step 6: Final answer
    x = 4,198.08

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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.