Home / 6,800.48-10,197.99-2,118.95

Finding the Fourth Proportional to 6,800.48, 10,197.99 and 2,118.95

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Solution

The fourth proportional to 6,800.48, 10,197.99 and 2,118.95 is: 3,177.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,800.48 : 10,197.99 = 2,118.95 : x
  2. Step 2: Convert to fraction form
    6,800.48/10,197.99 = 2,118.95/x
  3. Step 3: Cross multiply
    6,800.48x = 10,197.99 × 2,118.95
  4. Step 4: Simplify right side
    6,800.48x = 21,609,030.91
  5. Step 5: Solve for x
    x = 21,609,030.91/6,800.48
  6. Step 6: Final answer
    x = 3,177.57

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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.