Home / 6,990.20-10,483.68-3,092.48

Finding the Fourth Proportional to 6,990.20, 10,483.68 and 3,092.48

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Solution

The fourth proportional to 6,990.20, 10,483.68 and 3,092.48 is: 4,638.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,990.20 : 10,483.68 = 3,092.48 : x
  2. Step 2: Convert to fraction form
    6,990.20/10,483.68 = 3,092.48/x
  3. Step 3: Cross multiply
    6,990.20x = 10,483.68 × 3,092.48
  4. Step 4: Simplify right side
    6,990.20x = 32,420,570.73
  5. Step 5: Solve for x
    x = 32,420,570.73/6,990.20
  6. Step 6: Final answer
    x = 4,638.00

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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.