Home / 4,789.20-6,603.60-3,085.44

Finding the Fourth Proportional to 4,789.20, 6,603.60 and 3,085.44

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Solution

The fourth proportional to 4,789.20, 6,603.60 and 3,085.44 is: 4,254.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,789.20 : 6,603.60 = 3,085.44 : x
  2. Step 2: Convert to fraction form
    4,789.20/6,603.60 = 3,085.44/x
  3. Step 3: Cross multiply
    4,789.20x = 6,603.60 × 3,085.44
  4. Step 4: Simplify right side
    4,789.20x = 20,375,011.58
  5. Step 5: Solve for x
    x = 20,375,011.58/4,789.20
  6. Step 6: Final answer
    x = 4,254.37

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1.5x scale

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.