Home / 4,141.68-6,211.96-1,220.28

Finding the Fourth Proportional to 4,141.68, 6,211.96 and 1,220.28

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Solution

The fourth proportional to 4,141.68, 6,211.96 and 1,220.28 is: 1,830.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,141.68 : 6,211.96 = 1,220.28 : x
  2. Step 2: Convert to fraction form
    4,141.68/6,211.96 = 1,220.28/x
  3. Step 3: Cross multiply
    4,141.68x = 6,211.96 × 1,220.28
  4. Step 4: Simplify right side
    4,141.68x = 7,580,330.55
  5. Step 5: Solve for x
    x = 7,580,330.55/4,141.68
  6. Step 6: Final answer
    x = 1,830.26

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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.