Home / 6,389.42-9,583.02-2,439.66

Finding the Fourth Proportional to 6,389.42, 9,583.02 and 2,439.66

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Solution

The fourth proportional to 6,389.42, 9,583.02 and 2,439.66 is: 3,659.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,389.42 : 9,583.02 = 2,439.66 : x
  2. Step 2: Convert to fraction form
    6,389.42/9,583.02 = 2,439.66/x
  3. Step 3: Cross multiply
    6,389.42x = 9,583.02 × 2,439.66
  4. Step 4: Simplify right side
    6,389.42x = 23,379,310.57
  5. Step 5: Solve for x
    x = 23,379,310.57/6,389.42
  6. Step 6: Final answer
    x = 3,659.07

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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.