Home / 8,079.48-12,106.80-4,786.02

Finding the Fourth Proportional to 8,079.48, 12,106.80 and 4,786.02

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Solution

The fourth proportional to 8,079.48, 12,106.80 and 4,786.02 is: 7,171.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,079.48 : 12,106.80 = 4,786.02 : x
  2. Step 2: Convert to fraction form
    8,079.48/12,106.80 = 4,786.02/x
  3. Step 3: Cross multiply
    8,079.48x = 12,106.80 × 4,786.02
  4. Step 4: Simplify right side
    8,079.48x = 57,943,386.94
  5. Step 5: Solve for x
    x = 57,943,386.94/8,079.48
  6. Step 6: Final answer
    x = 7,171.67

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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.