Home / 4,542.78-6,809.58-1,619.49

Finding the Fourth Proportional to 4,542.78, 6,809.58 and 1,619.49

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Solution

The fourth proportional to 4,542.78, 6,809.58 and 1,619.49 is: 2,427.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,542.78 : 6,809.58 = 1,619.49 : x
  2. Step 2: Convert to fraction form
    4,542.78/6,809.58 = 1,619.49/x
  3. Step 3: Cross multiply
    4,542.78x = 6,809.58 × 1,619.49
  4. Step 4: Simplify right side
    4,542.78x = 11,028,046.71
  5. Step 5: Solve for x
    x = 11,028,046.71/4,542.78
  6. Step 6: Final answer
    x = 2,427.60

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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.