Home / 4,879.47-7,319.18-1,181.69

Finding the Fourth Proportional to 4,879.47, 7,319.18 and 1,181.69

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Solution

The fourth proportional to 4,879.47, 7,319.18 and 1,181.69 is: 1,772.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,879.47 : 7,319.18 = 1,181.69 : x
  2. Step 2: Convert to fraction form
    4,879.47/7,319.18 = 1,181.69/x
  3. Step 3: Cross multiply
    4,879.47x = 7,319.18 × 1,181.69
  4. Step 4: Simplify right side
    4,879.47x = 8,648,968.17
  5. Step 5: Solve for x
    x = 8,648,968.17/4,879.47
  6. Step 6: Final answer
    x = 1,772.52

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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.