Home / 4,811.81-6,640.30-2,716.07

Finding the Fourth Proportional to 4,811.81, 6,640.30 and 2,716.07

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Solution

The fourth proportional to 4,811.81, 6,640.30 and 2,716.07 is: 3,748.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,811.81 : 6,640.30 = 2,716.07 : x
  2. Step 2: Convert to fraction form
    4,811.81/6,640.30 = 2,716.07/x
  3. Step 3: Cross multiply
    4,811.81x = 6,640.30 × 2,716.07
  4. Step 4: Simplify right side
    4,811.81x = 18,035,539.62
  5. Step 5: Solve for x
    x = 18,035,539.62/4,811.81
  6. Step 6: Final answer
    x = 3,748.18

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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.