Home / 4,478.37-6,718.16-2,104.80

Finding the Fourth Proportional to 4,478.37, 6,718.16 and 2,104.80

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Solution

The fourth proportional to 4,478.37, 6,718.16 and 2,104.80 is: 3,157.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,478.37 : 6,718.16 = 2,104.80 : x
  2. Step 2: Convert to fraction form
    4,478.37/6,718.16 = 2,104.80/x
  3. Step 3: Cross multiply
    4,478.37x = 6,718.16 × 2,104.80
  4. Step 4: Simplify right side
    4,478.37x = 14,140,383.17
  5. Step 5: Solve for x
    x = 14,140,383.17/4,478.37
  6. Step 6: Final answer
    x = 3,157.48

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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.