Home / 4,133.12-6,199.72-1,211.48

Finding the Fourth Proportional to 4,133.12, 6,199.72 and 1,211.48

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Solution

The fourth proportional to 4,133.12, 6,199.72 and 1,211.48 is: 1,817.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,133.12 : 6,199.72 = 1,211.48 : x
  2. Step 2: Convert to fraction form
    4,133.12/6,199.72 = 1,211.48/x
  3. Step 3: Cross multiply
    4,133.12x = 6,199.72 × 1,211.48
  4. Step 4: Simplify right side
    4,133.12x = 7,510,836.79
  5. Step 5: Solve for x
    x = 7,510,836.79/4,133.12
  6. Step 6: Final answer
    x = 1,817.23

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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.