Home / 6,374.74-9,563.22-1,991.08

Finding the Fourth Proportional to 6,374.74, 9,563.22 and 1,991.08

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Solution

The fourth proportional to 6,374.74, 9,563.22 and 1,991.08 is: 2,986.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,374.74 : 9,563.22 = 1,991.08 : x
  2. Step 2: Convert to fraction form
    6,374.74/9,563.22 = 1,991.08/x
  3. Step 3: Cross multiply
    6,374.74x = 9,563.22 × 1,991.08
  4. Step 4: Simplify right side
    6,374.74x = 19,041,136.08
  5. Step 5: Solve for x
    x = 19,041,136.08/6,374.74
  6. Step 6: Final answer
    x = 2,986.97

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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.