Home / 7,897.49-11,843.67-4,197.60

Finding the Fourth Proportional to 7,897.49, 11,843.67 and 4,197.60

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Solution

The fourth proportional to 7,897.49, 11,843.67 and 4,197.60 is: 6,295.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,897.49 : 11,843.67 = 4,197.60 : x
  2. Step 2: Convert to fraction form
    7,897.49/11,843.67 = 4,197.60/x
  3. Step 3: Cross multiply
    7,897.49x = 11,843.67 × 4,197.60
  4. Step 4: Simplify right side
    7,897.49x = 49,714,989.19
  5. Step 5: Solve for x
    x = 49,714,989.19/7,897.49
  6. Step 6: Final answer
    x = 6,295.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.