Home / 4,478.48-6,180-2,799.80

Finding the Fourth Proportional to 4,478.48, 6,180 and 2,799.80

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Solution

The fourth proportional to 4,478.48, 6,180 and 2,799.80 is: 3,863.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,478.48 : 6,180 = 2,799.80 : x
  2. Step 2: Convert to fraction form
    4,478.48/6,180 = 2,799.80/x
  3. Step 3: Cross multiply
    4,478.48x = 6,180 × 2,799.80
  4. Step 4: Simplify right side
    4,478.48x = 17,302,733.10
  5. Step 5: Solve for x
    x = 17,302,733.10/4,478.48
  6. Step 6: Final answer
    x = 3,863.53

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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.