Home / 6,929.80-10,394.70-4,006.60

Finding the Fourth Proportional to 6,929.80, 10,394.70 and 4,006.60

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Solution

The fourth proportional to 6,929.80, 10,394.70 and 4,006.60 is: 6,009.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,929.80 : 10,394.70 = 4,006.60 : x
  2. Step 2: Convert to fraction form
    6,929.80/10,394.70 = 4,006.60/x
  3. Step 3: Cross multiply
    6,929.80x = 10,394.70 × 4,006.60
  4. Step 4: Simplify right side
    6,929.80x = 41,647,405.02
  5. Step 5: Solve for x
    x = 41,647,405.02/6,929.80
  6. Step 6: Final answer
    x = 6,009.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.