Home / 6,399.04-8,830.68-3,604.54

Finding the Fourth Proportional to 6,399.04, 8,830.68 and 3,604.54

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Solution

The fourth proportional to 6,399.04, 8,830.68 and 3,604.54 is: 4,974.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,399.04 : 8,830.68 = 3,604.54 : x
  2. Step 2: Convert to fraction form
    6,399.04/8,830.68 = 3,604.54/x
  3. Step 3: Cross multiply
    6,399.04x = 8,830.68 × 3,604.54
  4. Step 4: Simplify right side
    6,399.04x = 31,830,539.29
  5. Step 5: Solve for x
    x = 31,830,539.29/6,399.04
  6. Step 6: Final answer
    x = 4,974.27

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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.