Home / 7,875.08-11,819.80-4,958.60

Finding the Fourth Proportional to 7,875.08, 11,819.80 and 4,958.60

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Solution

The fourth proportional to 7,875.08, 11,819.80 and 4,958.60 is: 7,442.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,875.08 : 11,819.80 = 4,958.60 : x
  2. Step 2: Convert to fraction form
    7,875.08/11,819.80 = 4,958.60/x
  3. Step 3: Cross multiply
    7,875.08x = 11,819.80 × 4,958.60
  4. Step 4: Simplify right side
    7,875.08x = 58,609,660.28
  5. Step 5: Solve for x
    x = 58,609,660.28/7,875.08
  6. Step 6: Final answer
    x = 7,442.42

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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.