Home / 6,389.09-9,585.18-2,006.55

Finding the Fourth Proportional to 6,389.09, 9,585.18 and 2,006.55

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Solution

The fourth proportional to 6,389.09, 9,585.18 and 2,006.55 is: 3,010.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,389.09 : 9,585.18 = 2,006.55 : x
  2. Step 2: Convert to fraction form
    6,389.09/9,585.18 = 2,006.55/x
  3. Step 3: Cross multiply
    6,389.09x = 9,585.18 × 2,006.55
  4. Step 4: Simplify right side
    6,389.09x = 19,233,142.93
  5. Step 5: Solve for x
    x = 19,233,142.93/6,389.09
  6. Step 6: Final answer
    x = 3,010.31

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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.