Home / 6,389.97-9,585.36-2,007.60

Finding the Fourth Proportional to 6,389.97, 9,585.36 and 2,007.60

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Solution

The fourth proportional to 6,389.97, 9,585.36 and 2,007.60 is: 3,011.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,389.97 : 9,585.36 = 2,007.60 : x
  2. Step 2: Convert to fraction form
    6,389.97/9,585.36 = 2,007.60/x
  3. Step 3: Cross multiply
    6,389.97x = 9,585.36 × 2,007.60
  4. Step 4: Simplify right side
    6,389.97x = 19,243,568.74
  5. Step 5: Solve for x
    x = 19,243,568.74/6,389.97
  6. Step 6: Final answer
    x = 3,011.53

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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.