Home / 4,819.38-7,181.45-4,328.82

Finding the Fourth Proportional to 4,819.38, 7,181.45 and 4,328.82

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Solution

The fourth proportional to 4,819.38, 7,181.45 and 4,328.82 is: 6,450.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,819.38 : 7,181.45 = 4,328.82 : x
  2. Step 2: Convert to fraction form
    4,819.38/7,181.45 = 4,328.82/x
  3. Step 3: Cross multiply
    4,819.38x = 7,181.45 × 4,328.82
  4. Step 4: Simplify right side
    4,819.38x = 31,087,204.39
  5. Step 5: Solve for x
    x = 31,087,204.39/4,819.38
  6. Step 6: Final answer
    x = 6,450.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.