Home / 4,128.04-6,194.94-1,818.28

Finding the Fourth Proportional to 4,128.04, 6,194.94 and 1,818.28

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Solution

The fourth proportional to 4,128.04, 6,194.94 and 1,818.28 is: 2,728.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,128.04 : 6,194.94 = 1,818.28 : x
  2. Step 2: Convert to fraction form
    4,128.04/6,194.94 = 1,818.28/x
  3. Step 3: Cross multiply
    4,128.04x = 6,194.94 × 1,818.28
  4. Step 4: Simplify right side
    4,128.04x = 11,264,135.50
  5. Step 5: Solve for x
    x = 11,264,135.50/4,128.04
  6. Step 6: Final answer
    x = 2,728.69

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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.