Home / 4,580.03-6,320.60-2,811.30

Finding the Fourth Proportional to 4,580.03, 6,320.60 and 2,811.30

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Solution

The fourth proportional to 4,580.03, 6,320.60 and 2,811.30 is: 3,879.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,580.03 : 6,320.60 = 2,811.30 : x
  2. Step 2: Convert to fraction form
    4,580.03/6,320.60 = 2,811.30/x
  3. Step 3: Cross multiply
    4,580.03x = 6,320.60 × 2,811.30
  4. Step 4: Simplify right side
    4,580.03x = 17,769,102.78
  5. Step 5: Solve for x
    x = 17,769,102.78/4,580.03
  6. Step 6: Final answer
    x = 3,879.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.