Home / 9,222.80-12,731.58-6,247.67

Finding the Fourth Proportional to 9,222.80, 12,731.58 and 6,247.67

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Solution

The fourth proportional to 9,222.80, 12,731.58 and 6,247.67 is: 8,624.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,222.80 : 12,731.58 = 6,247.67 : x
  2. Step 2: Convert to fraction form
    9,222.80/12,731.58 = 6,247.67/x
  3. Step 3: Cross multiply
    9,222.80x = 12,731.58 × 6,247.67
  4. Step 4: Simplify right side
    9,222.80x = 79,542,646.76
  5. Step 5: Solve for x
    x = 79,542,646.76/9,222.80
  6. Step 6: Final answer
    x = 8,624.57

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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.