Home / 4,938.90-6,819.60-3,895.62

Finding the Fourth Proportional to 4,938.90, 6,819.60 and 3,895.62

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Solution

The fourth proportional to 4,938.90, 6,819.60 and 3,895.62 is: 5,379.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,938.90 : 6,819.60 = 3,895.62 : x
  2. Step 2: Convert to fraction form
    4,938.90/6,819.60 = 3,895.62/x
  3. Step 3: Cross multiply
    4,938.90x = 6,819.60 × 3,895.62
  4. Step 4: Simplify right side
    4,938.90x = 26,566,570.15
  5. Step 5: Solve for x
    x = 26,566,570.15/4,938.90
  6. Step 6: Final answer
    x = 5,379.05

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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.