Home / 4,128.04-6,193.14-2,278.84

Finding the Fourth Proportional to 4,128.04, 6,193.14 and 2,278.84

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Solution

The fourth proportional to 4,128.04, 6,193.14 and 2,278.84 is: 3,418.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,128.04 : 6,193.14 = 2,278.84 : x
  2. Step 2: Convert to fraction form
    4,128.04/6,193.14 = 2,278.84/x
  3. Step 3: Cross multiply
    4,128.04x = 6,193.14 × 2,278.84
  4. Step 4: Simplify right side
    4,128.04x = 14,113,175.16
  5. Step 5: Solve for x
    x = 14,113,175.16/4,128.04
  6. Step 6: Final answer
    x = 3,418.86

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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.