Home / 4,180.25-6,271.46-1,218.62

Finding the Fourth Proportional to 4,180.25, 6,271.46 and 1,218.62

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Solution

The fourth proportional to 4,180.25, 6,271.46 and 1,218.62 is: 1,828.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,180.25 : 6,271.46 = 1,218.62 : x
  2. Step 2: Convert to fraction form
    4,180.25/6,271.46 = 1,218.62/x
  3. Step 3: Cross multiply
    4,180.25x = 6,271.46 × 1,218.62
  4. Step 4: Simplify right side
    4,180.25x = 7,642,520.49
  5. Step 5: Solve for x
    x = 7,642,520.49/4,180.25
  6. Step 6: Final answer
    x = 1,828.25

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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.