Home / 6,485.01-8,948.79-3,690.51

Finding the Fourth Proportional to 6,485.01, 8,948.79 and 3,690.51

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Solution

The fourth proportional to 6,485.01, 8,948.79 and 3,690.51 is: 5,092.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,485.01 : 8,948.79 = 3,690.51 : x
  2. Step 2: Convert to fraction form
    6,485.01/8,948.79 = 3,690.51/x
  3. Step 3: Cross multiply
    6,485.01x = 8,948.79 × 3,690.51
  4. Step 4: Simplify right side
    6,485.01x = 33,025,598.98
  5. Step 5: Solve for x
    x = 33,025,598.98/6,485.01
  6. Step 6: Final answer
    x = 5,092.61

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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.