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Finding the Fourth Proportional to 6,485.58, 8,950.11 and 3,834.30

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Solution

The fourth proportional to 6,485.58, 8,950.11 and 3,834.30 is: 5,291.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,485.58 : 8,950.11 = 3,834.30 : x
  2. Step 2: Convert to fraction form
    6,485.58/8,950.11 = 3,834.30/x
  3. Step 3: Cross multiply
    6,485.58x = 8,950.11 × 3,834.30
  4. Step 4: Simplify right side
    6,485.58x = 34,317,406.77
  5. Step 5: Solve for x
    x = 34,317,406.77/6,485.58
  6. Step 6: Final answer
    x = 5,291.34

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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.