Home / 9,186.37-13,779.56-2,947.03

Finding the Fourth Proportional to 9,186.37, 13,779.56 and 2,947.03

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Solution

The fourth proportional to 9,186.37, 13,779.56 and 2,947.03 is: 4,420.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,186.37 : 13,779.56 = 2,947.03 : x
  2. Step 2: Convert to fraction form
    9,186.37/13,779.56 = 2,947.03/x
  3. Step 3: Cross multiply
    9,186.37x = 13,779.56 × 2,947.03
  4. Step 4: Simplify right side
    9,186.37x = 40,608,761.97
  5. Step 5: Solve for x
    x = 40,608,761.97/9,186.37
  6. Step 6: Final answer
    x = 4,420.55

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Similar ratio
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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.