Home / 4,478.10-6,180.42-2,685.68

Finding the Fourth Proportional to 4,478.10, 6,180.42 and 2,685.68

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Solution

The fourth proportional to 4,478.10, 6,180.42 and 2,685.68 is: 3,706.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,478.10 : 6,180.42 = 2,685.68 : x
  2. Step 2: Convert to fraction form
    4,478.10/6,180.42 = 2,685.68/x
  3. Step 3: Cross multiply
    4,478.10x = 6,180.42 × 2,685.68
  4. Step 4: Simplify right side
    4,478.10x = 16,598,599.48
  5. Step 5: Solve for x
    x = 16,598,599.48/4,478.10
  6. Step 6: Final answer
    x = 3,706.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.