Home / 4,879.78-7,319.63-1,182.03

Finding the Fourth Proportional to 4,879.78, 7,319.63 and 1,182.03

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Solution

The fourth proportional to 4,879.78, 7,319.63 and 1,182.03 is: 1,773.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,879.78 : 7,319.63 = 1,182.03 : x
  2. Step 2: Convert to fraction form
    4,879.78/7,319.63 = 1,182.03/x
  3. Step 3: Cross multiply
    4,879.78x = 7,319.63 × 1,182.03
  4. Step 4: Simplify right side
    4,879.78x = 8,652,022.25
  5. Step 5: Solve for x
    x = 8,652,022.25/4,879.78
  6. Step 6: Final answer
    x = 1,773.04

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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.