Home / 4,619.21-6,374.51-2,850.81

Finding the Fourth Proportional to 4,619.21, 6,374.51 and 2,850.81

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Solution

The fourth proportional to 4,619.21, 6,374.51 and 2,850.81 is: 3,934.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,619.21 : 6,374.51 = 2,850.81 : x
  2. Step 2: Convert to fraction form
    4,619.21/6,374.51 = 2,850.81/x
  3. Step 3: Cross multiply
    4,619.21x = 6,374.51 × 2,850.81
  4. Step 4: Simplify right side
    4,619.21x = 18,172,502.60
  5. Step 5: Solve for x
    x = 18,172,502.60/4,619.21
  6. Step 6: Final answer
    x = 3,934.12

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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.