Home / 4,819.65-6,645.27-3,325.20

Finding the Fourth Proportional to 4,819.65, 6,645.27 and 3,325.20

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Solution

The fourth proportional to 4,819.65, 6,645.27 and 3,325.20 is: 4,584.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,819.65 : 6,645.27 = 3,325.20 : x
  2. Step 2: Convert to fraction form
    4,819.65/6,645.27 = 3,325.20/x
  3. Step 3: Cross multiply
    4,819.65x = 6,645.27 × 3,325.20
  4. Step 4: Simplify right side
    4,819.65x = 22,096,851.80
  5. Step 5: Solve for x
    x = 22,096,851.80/4,819.65
  6. Step 6: Final answer
    x = 4,584.74

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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.