Home / 7,877.08-11,822.80-4,960.60

Finding the Fourth Proportional to 7,877.08, 11,822.80 and 4,960.60

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Solution

The fourth proportional to 7,877.08, 11,822.80 and 4,960.60 is: 7,445.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,877.08 : 11,822.80 = 4,960.60 : x
  2. Step 2: Convert to fraction form
    7,877.08/11,822.80 = 4,960.60/x
  3. Step 3: Cross multiply
    7,877.08x = 11,822.80 × 4,960.60
  4. Step 4: Simplify right side
    7,877.08x = 58,648,181.68
  5. Step 5: Solve for x
    x = 58,648,181.68/7,877.08
  6. Step 6: Final answer
    x = 7,445.42

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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.