Home / 7,844.60-11,763.30-3,459.80

Finding the Fourth Proportional to 7,844.60, 11,763.30 and 3,459.80

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Solution

The fourth proportional to 7,844.60, 11,763.30 and 3,459.80 is: 5,188.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,844.60 : 11,763.30 = 3,459.80 : x
  2. Step 2: Convert to fraction form
    7,844.60/11,763.30 = 3,459.80/x
  3. Step 3: Cross multiply
    7,844.60x = 11,763.30 × 3,459.80
  4. Step 4: Simplify right side
    7,844.60x = 40,698,665.34
  5. Step 5: Solve for x
    x = 40,698,665.34/7,844.60
  6. Step 6: Final answer
    x = 5,188.11

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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.