Home / 4,412.49-6,618.74-1,813.61

Finding the Fourth Proportional to 4,412.49, 6,618.74 and 1,813.61

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Solution

The fourth proportional to 4,412.49, 6,618.74 and 1,813.61 is: 2,720.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,412.49 : 6,618.74 = 1,813.61 : x
  2. Step 2: Convert to fraction form
    4,412.49/6,618.74 = 1,813.61/x
  3. Step 3: Cross multiply
    4,412.49x = 6,618.74 × 1,813.61
  4. Step 4: Simplify right side
    4,412.49x = 12,003,770.89
  5. Step 5: Solve for x
    x = 12,003,770.89/4,412.49
  6. Step 6: Final answer
    x = 2,720.41

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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.