Home / 8,199.99-11,315.30-4,842.95

Finding the Fourth Proportional to 8,199.99, 11,315.30 and 4,842.95

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Solution

The fourth proportional to 8,199.99, 11,315.30 and 4,842.95 is: 6,682.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,199.99 : 11,315.30 = 4,842.95 : x
  2. Step 2: Convert to fraction form
    8,199.99/11,315.30 = 4,842.95/x
  3. Step 3: Cross multiply
    8,199.99x = 11,315.30 × 4,842.95
  4. Step 4: Simplify right side
    8,199.99x = 54,799,351.34
  5. Step 5: Solve for x
    x = 54,799,351.34/8,199.99
  6. Step 6: Final answer
    x = 6,682.86

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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.