Home / 6,388.26-9,586.08-2,690.16

Finding the Fourth Proportional to 6,388.26, 9,586.08 and 2,690.16

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Solution

The fourth proportional to 6,388.26, 9,586.08 and 2,690.16 is: 4,036.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,388.26 : 9,586.08 = 2,690.16 : x
  2. Step 2: Convert to fraction form
    6,388.26/9,586.08 = 2,690.16/x
  3. Step 3: Cross multiply
    6,388.26x = 9,586.08 × 2,690.16
  4. Step 4: Simplify right side
    6,388.26x = 25,788,088.97
  5. Step 5: Solve for x
    x = 25,788,088.97/6,388.26
  6. Step 6: Final answer
    x = 4,036.79

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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.