Home / 8,198.29-11,315.09-4,840.88

Finding the Fourth Proportional to 8,198.29, 11,315.09 and 4,840.88

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Solution

The fourth proportional to 8,198.29, 11,315.09 and 4,840.88 is: 6,681.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,198.29 : 11,315.09 = 4,840.88 : x
  2. Step 2: Convert to fraction form
    8,198.29/11,315.09 = 4,840.88/x
  3. Step 3: Cross multiply
    8,198.29x = 11,315.09 × 4,840.88
  4. Step 4: Simplify right side
    8,198.29x = 54,774,968.67
  5. Step 5: Solve for x
    x = 54,774,968.67/8,198.29
  6. Step 6: Final answer
    x = 6,681.27

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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.