Home / 7,833.96-10,811.21-4,477.55

Finding the Fourth Proportional to 7,833.96, 10,811.21 and 4,477.55

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Solution

The fourth proportional to 7,833.96, 10,811.21 and 4,477.55 is: 6,179.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,833.96 : 10,811.21 = 4,477.55 : x
  2. Step 2: Convert to fraction form
    7,833.96/10,811.21 = 4,477.55/x
  3. Step 3: Cross multiply
    7,833.96x = 10,811.21 × 4,477.55
  4. Step 4: Simplify right side
    7,833.96x = 48,407,656.89
  5. Step 5: Solve for x
    x = 48,407,656.89/7,833.96
  6. Step 6: Final answer
    x = 6,179.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.