Home / 7,740.94-11,611.56-1,897.60

Finding the Fourth Proportional to 7,740.94, 11,611.56 and 1,897.60

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Solution

The fourth proportional to 7,740.94, 11,611.56 and 1,897.60 is: 2,846.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,740.94 : 11,611.56 = 1,897.60 : x
  2. Step 2: Convert to fraction form
    7,740.94/11,611.56 = 1,897.60/x
  3. Step 3: Cross multiply
    7,740.94x = 11,611.56 × 1,897.60
  4. Step 4: Simplify right side
    7,740.94x = 22,034,096.26
  5. Step 5: Solve for x
    x = 22,034,096.26/7,740.94
  6. Step 6: Final answer
    x = 2,846.44

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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.