Home / 6,877.44-10,316.34-1,947.60

Finding the Fourth Proportional to 6,877.44, 10,316.34 and 1,947.60

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Solution

The fourth proportional to 6,877.44, 10,316.34 and 1,947.60 is: 2,921.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,877.44 : 10,316.34 = 1,947.60 : x
  2. Step 2: Convert to fraction form
    6,877.44/10,316.34 = 1,947.60/x
  3. Step 3: Cross multiply
    6,877.44x = 10,316.34 × 1,947.60
  4. Step 4: Simplify right side
    6,877.44x = 20,092,103.78
  5. Step 5: Solve for x
    x = 20,092,103.78/6,877.44
  6. Step 6: Final answer
    x = 2,921.45

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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.