Home / 7,405.32-11,106.36-2,211.60

Finding the Fourth Proportional to 7,405.32, 11,106.36 and 2,211.60

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Solution

The fourth proportional to 7,405.32, 11,106.36 and 2,211.60 is: 3,316.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,405.32 : 11,106.36 = 2,211.60 : x
  2. Step 2: Convert to fraction form
    7,405.32/11,106.36 = 2,211.60/x
  3. Step 3: Cross multiply
    7,405.32x = 11,106.36 × 2,211.60
  4. Step 4: Simplify right side
    7,405.32x = 24,562,825.78
  5. Step 5: Solve for x
    x = 24,562,825.78/7,405.32
  6. Step 6: Final answer
    x = 3,316.92

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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.