Home / 6,389.72-9,584.66-2,442.80

Finding the Fourth Proportional to 6,389.72, 9,584.66 and 2,442.80

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Solution

The fourth proportional to 6,389.72, 9,584.66 and 2,442.80 is: 3,664.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,389.72 : 9,584.66 = 2,442.80 : x
  2. Step 2: Convert to fraction form
    6,389.72/9,584.66 = 2,442.80/x
  3. Step 3: Cross multiply
    6,389.72x = 9,584.66 × 2,442.80
  4. Step 4: Simplify right side
    6,389.72x = 23,413,407.45
  5. Step 5: Solve for x
    x = 23,413,407.45/6,389.72
  6. Step 6: Final answer
    x = 3,664.23

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1.5x scale

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.