Home / 4,133.76-6,199.40-1,211.36

Finding the Fourth Proportional to 4,133.76, 6,199.40 and 1,211.36

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Solution

The fourth proportional to 4,133.76, 6,199.40 and 1,211.36 is: 1,816.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,133.76 : 6,199.40 = 1,211.36 : x
  2. Step 2: Convert to fraction form
    4,133.76/6,199.40 = 1,211.36/x
  3. Step 3: Cross multiply
    4,133.76x = 6,199.40 × 1,211.36
  4. Step 4: Simplify right side
    4,133.76x = 7,509,705.18
  5. Step 5: Solve for x
    x = 7,509,705.18/4,133.76
  6. Step 6: Final answer
    x = 1,816.68

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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.