Home / 8,346.20-11,517.74-4,811.45

Finding the Fourth Proportional to 8,346.20, 11,517.74 and 4,811.45

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Solution

The fourth proportional to 8,346.20, 11,517.74 and 4,811.45 is: 6,639.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,346.20 : 11,517.74 = 4,811.45 : x
  2. Step 2: Convert to fraction form
    8,346.20/11,517.74 = 4,811.45/x
  3. Step 3: Cross multiply
    8,346.20x = 11,517.74 × 4,811.45
  4. Step 4: Simplify right side
    8,346.20x = 55,416,948.48
  5. Step 5: Solve for x
    x = 55,416,948.48/8,346.20
  6. Step 6: Final answer
    x = 6,639.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.