Home / 8,442.36-12,662.55-3,244.59

Finding the Fourth Proportional to 8,442.36, 12,662.55 and 3,244.59

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Solution

The fourth proportional to 8,442.36, 12,662.55 and 3,244.59 is: 4,866.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,442.36 : 12,662.55 = 3,244.59 : x
  2. Step 2: Convert to fraction form
    8,442.36/12,662.55 = 3,244.59/x
  3. Step 3: Cross multiply
    8,442.36x = 12,662.55 × 3,244.59
  4. Step 4: Simplify right side
    8,442.36x = 41,084,783.10
  5. Step 5: Solve for x
    x = 41,084,783.10/8,442.36
  6. Step 6: Final answer
    x = 4,866.50

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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.