Home / 7,196.40-10,793.70-1,931.80

Finding the Fourth Proportional to 7,196.40, 10,793.70 and 1,931.80

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Solution

The fourth proportional to 7,196.40, 10,793.70 and 1,931.80 is: 2,897.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,196.40 : 10,793.70 = 1,931.80 : x
  2. Step 2: Convert to fraction form
    7,196.40/10,793.70 = 1,931.80/x
  3. Step 3: Cross multiply
    7,196.40x = 10,793.70 × 1,931.80
  4. Step 4: Simplify right side
    7,196.40x = 20,851,269.66
  5. Step 5: Solve for x
    x = 20,851,269.66/7,196.40
  6. Step 6: Final answer
    x = 2,897.46

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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.