Home / 4,193.21-6,290.44-1,419.14

Finding the Fourth Proportional to 4,193.21, 6,290.44 and 1,419.14

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Solution

The fourth proportional to 4,193.21, 6,290.44 and 1,419.14 is: 2,128.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,193.21 : 6,290.44 = 1,419.14 : x
  2. Step 2: Convert to fraction form
    4,193.21/6,290.44 = 1,419.14/x
  3. Step 3: Cross multiply
    4,193.21x = 6,290.44 × 1,419.14
  4. Step 4: Simplify right side
    4,193.21x = 8,927,015.02
  5. Step 5: Solve for x
    x = 8,927,015.02/4,193.21
  6. Step 6: Final answer
    x = 2,128.92

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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.