Home / 9,212.23-12,702.83-6,222.87

Finding the Fourth Proportional to 9,212.23, 12,702.83 and 6,222.87

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Solution

The fourth proportional to 9,212.23, 12,702.83 and 6,222.87 is: 8,580.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,212.23 : 12,702.83 = 6,222.87 : x
  2. Step 2: Convert to fraction form
    9,212.23/12,702.83 = 6,222.87/x
  3. Step 3: Cross multiply
    9,212.23x = 12,702.83 × 6,222.87
  4. Step 4: Simplify right side
    9,212.23x = 79,048,075.28
  5. Step 5: Solve for x
    x = 79,048,075.28/9,212.23
  6. Step 6: Final answer
    x = 8,580.78

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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.