Home / 4,141.18-6,211.08-1,218.80

Finding the Fourth Proportional to 4,141.18, 6,211.08 and 1,218.80

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Solution

The fourth proportional to 4,141.18, 6,211.08 and 1,218.80 is: 1,827.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,141.18 : 6,211.08 = 1,218.80 : x
  2. Step 2: Convert to fraction form
    4,141.18/6,211.08 = 1,218.80/x
  3. Step 3: Cross multiply
    4,141.18x = 6,211.08 × 1,218.80
  4. Step 4: Simplify right side
    4,141.18x = 7,570,044.89
  5. Step 5: Solve for x
    x = 7,570,044.89/4,141.18
  6. Step 6: Final answer
    x = 1,827.99

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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.