Home / 7,374.22-11,065.88-2,991.72

Finding the Fourth Proportional to 7,374.22, 11,065.88 and 2,991.72

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Solution

The fourth proportional to 7,374.22, 11,065.88 and 2,991.72 is: 4,489.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,374.22 : 11,065.88 = 2,991.72 : x
  2. Step 2: Convert to fraction form
    7,374.22/11,065.88 = 2,991.72/x
  3. Step 3: Cross multiply
    7,374.22x = 11,065.88 × 2,991.72
  4. Step 4: Simplify right side
    7,374.22x = 33,106,014.51
  5. Step 5: Solve for x
    x = 33,106,014.51/7,374.22
  6. Step 6: Final answer
    x = 4,489.43

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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.