Home / 8,348.07-11,519.31-4,990.26

Finding the Fourth Proportional to 8,348.07, 11,519.31 and 4,990.26

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Solution

The fourth proportional to 8,348.07, 11,519.31 and 4,990.26 is: 6,885.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,348.07 : 11,519.31 = 4,990.26 : x
  2. Step 2: Convert to fraction form
    8,348.07/11,519.31 = 4,990.26/x
  3. Step 3: Cross multiply
    8,348.07x = 11,519.31 × 4,990.26
  4. Step 4: Simplify right side
    8,348.07x = 57,484,351.92
  5. Step 5: Solve for x
    x = 57,484,351.92/8,348.07
  6. Step 6: Final answer
    x = 6,885.95

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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.