Home / 4,141.85-6,212.54-1,220.18

Finding the Fourth Proportional to 4,141.85, 6,212.54 and 1,220.18

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Solution

The fourth proportional to 4,141.85, 6,212.54 and 1,220.18 is: 1,830.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,141.85 : 6,212.54 = 1,220.18 : x
  2. Step 2: Convert to fraction form
    4,141.85/6,212.54 = 1,220.18/x
  3. Step 3: Cross multiply
    4,141.85x = 6,212.54 × 1,220.18
  4. Step 4: Simplify right side
    4,141.85x = 7,580,389.04
  5. Step 5: Solve for x
    x = 7,580,389.04/4,141.85
  6. Step 6: Final answer
    x = 1,830.20

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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.