Home / 4,418.88-6,628.32-2,225.40

Finding the Fourth Proportional to 4,418.88, 6,628.32 and 2,225.40

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Solution

The fourth proportional to 4,418.88, 6,628.32 and 2,225.40 is: 3,338.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,418.88 : 6,628.32 = 2,225.40 : x
  2. Step 2: Convert to fraction form
    4,418.88/6,628.32 = 2,225.40/x
  3. Step 3: Cross multiply
    4,418.88x = 6,628.32 × 2,225.40
  4. Step 4: Simplify right side
    4,418.88x = 14,750,663.33
  5. Step 5: Solve for x
    x = 14,750,663.33/4,418.88
  6. Step 6: Final answer
    x = 3,338.10

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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.