Home / 4,418.88-6,629.36-1,298.80

Finding the Fourth Proportional to 4,418.88, 6,629.36 and 1,298.80

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Solution

The fourth proportional to 4,418.88, 6,629.36 and 1,298.80 is: 1,948.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,418.88 : 6,629.36 = 1,298.80 : x
  2. Step 2: Convert to fraction form
    4,418.88/6,629.36 = 1,298.80/x
  3. Step 3: Cross multiply
    4,418.88x = 6,629.36 × 1,298.80
  4. Step 4: Simplify right side
    4,418.88x = 8,610,212.77
  5. Step 5: Solve for x
    x = 8,610,212.77/4,418.88
  6. Step 6: Final answer
    x = 1,948.51

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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.