Home / 9,190.98-13,779.75-2,947.44

Finding the Fourth Proportional to 9,190.98, 13,779.75 and 2,947.44

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Solution

The fourth proportional to 9,190.98, 13,779.75 and 2,947.44 is: 4,419.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,190.98 : 13,779.75 = 2,947.44 : x
  2. Step 2: Convert to fraction form
    9,190.98/13,779.75 = 2,947.44/x
  3. Step 3: Cross multiply
    9,190.98x = 13,779.75 × 2,947.44
  4. Step 4: Simplify right side
    9,190.98x = 40,615,025.07
  5. Step 5: Solve for x
    x = 40,615,025.07/9,190.98
  6. Step 6: Final answer
    x = 4,419.01

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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.