Home / 6,441.28-8,890.18-3,790.96

Finding the Fourth Proportional to 6,441.28, 8,890.18 and 3,790.96

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Solution

The fourth proportional to 6,441.28, 8,890.18 and 3,790.96 is: 5,232.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,441.28 : 8,890.18 = 3,790.96 : x
  2. Step 2: Convert to fraction form
    6,441.28/8,890.18 = 3,790.96/x
  3. Step 3: Cross multiply
    6,441.28x = 8,890.18 × 3,790.96
  4. Step 4: Simplify right side
    6,441.28x = 33,702,316.77
  5. Step 5: Solve for x
    x = 33,702,316.77/6,441.28
  6. Step 6: Final answer
    x = 5,232.24

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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.