Home / 6,400.55-9,611.24-3,950.94

Finding the Fourth Proportional to 6,400.55, 9,611.24 and 3,950.94

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Solution

The fourth proportional to 6,400.55, 9,611.24 and 3,950.94 is: 5,932.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,400.55 : 9,611.24 = 3,950.94 : x
  2. Step 2: Convert to fraction form
    6,400.55/9,611.24 = 3,950.94/x
  3. Step 3: Cross multiply
    6,400.55x = 9,611.24 × 3,950.94
  4. Step 4: Simplify right side
    6,400.55x = 37,973,412.81
  5. Step 5: Solve for x
    x = 37,973,412.81/6,400.55
  6. Step 6: Final answer
    x = 5,932.84

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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.