Home / 9,205.24-12,702.78-5,225.82

Finding the Fourth Proportional to 9,205.24, 12,702.78 and 5,225.82

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Solution

The fourth proportional to 9,205.24, 12,702.78 and 5,225.82 is: 7,211.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,205.24 : 12,702.78 = 5,225.82 : x
  2. Step 2: Convert to fraction form
    9,205.24/12,702.78 = 5,225.82/x
  3. Step 3: Cross multiply
    9,205.24x = 12,702.78 × 5,225.82
  4. Step 4: Simplify right side
    9,205.24x = 66,382,441.78
  5. Step 5: Solve for x
    x = 66,382,441.78/9,205.24
  6. Step 6: Final answer
    x = 7,211.38

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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.