Home / 9,207.88-12,702.82-6,222.63

Finding the Fourth Proportional to 9,207.88, 12,702.82 and 6,222.63

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Solution

The fourth proportional to 9,207.88, 12,702.82 and 6,222.63 is: 8,584.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,207.88 : 12,702.82 = 6,222.63 : x
  2. Step 2: Convert to fraction form
    9,207.88/12,702.82 = 6,222.63/x
  3. Step 3: Cross multiply
    9,207.88x = 12,702.82 × 6,222.63
  4. Step 4: Simplify right side
    9,207.88x = 79,044,948.82
  5. Step 5: Solve for x
    x = 79,044,948.82/9,207.88
  6. Step 6: Final answer
    x = 8,584.49

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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.