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Finding the Fourth Proportional to 6,485.58, 8,950.32 and 3,835.26

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Solution

The fourth proportional to 6,485.58, 8,950.32 and 3,835.26 is: 5,292.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,485.58 : 8,950.32 = 3,835.26 : x
  2. Step 2: Convert to fraction form
    6,485.58/8,950.32 = 3,835.26/x
  3. Step 3: Cross multiply
    6,485.58x = 8,950.32 × 3,835.26
  4. Step 4: Simplify right side
    6,485.58x = 34,326,804.28
  5. Step 5: Solve for x
    x = 34,326,804.28/6,485.58
  6. Step 6: Final answer
    x = 5,292.79

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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.