Home / 8,048.30-11,106.68-5,065.61

Finding the Fourth Proportional to 8,048.30, 11,106.68 and 5,065.61

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Solution

The fourth proportional to 8,048.30, 11,106.68 and 5,065.61 is: 6,990.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,048.30 : 11,106.68 = 5,065.61 : x
  2. Step 2: Convert to fraction form
    8,048.30/11,106.68 = 5,065.61/x
  3. Step 3: Cross multiply
    8,048.30x = 11,106.68 × 5,065.61
  4. Step 4: Simplify right side
    8,048.30x = 56,262,028.41
  5. Step 5: Solve for x
    x = 56,262,028.41/8,048.30
  6. Step 6: Final answer
    x = 6,990.55

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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.