Home / 4,407.41-6,611.12-1,120.49

Finding the Fourth Proportional to 4,407.41, 6,611.12 and 1,120.49

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Solution

The fourth proportional to 4,407.41, 6,611.12 and 1,120.49 is: 1,680.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,407.41 : 6,611.12 = 1,120.49 : x
  2. Step 2: Convert to fraction form
    4,407.41/6,611.12 = 1,120.49/x
  3. Step 3: Cross multiply
    4,407.41x = 6,611.12 × 1,120.49
  4. Step 4: Simplify right side
    4,407.41x = 7,407,655.19
  5. Step 5: Solve for x
    x = 7,407,655.19/4,407.41
  6. Step 6: Final answer
    x = 1,680.73

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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.