Home / 8,763.62-12,079.40-6,212.24

Finding the Fourth Proportional to 8,763.62, 12,079.40 and 6,212.24

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Solution

The fourth proportional to 8,763.62, 12,079.40 and 6,212.24 is: 8,562.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,763.62 : 12,079.40 = 6,212.24 : x
  2. Step 2: Convert to fraction form
    8,763.62/12,079.40 = 6,212.24/x
  3. Step 3: Cross multiply
    8,763.62x = 12,079.40 × 6,212.24
  4. Step 4: Simplify right side
    8,763.62x = 75,040,040.40
  5. Step 5: Solve for x
    x = 75,040,040.40/8,763.62
  6. Step 6: Final answer
    x = 8,562.67

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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.