Home / 7,327.99-10,991.83-1,781.36

Finding the Fourth Proportional to 7,327.99, 10,991.83 and 1,781.36

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Solution

The fourth proportional to 7,327.99, 10,991.83 and 1,781.36 is: 2,672.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,327.99 : 10,991.83 = 1,781.36 : x
  2. Step 2: Convert to fraction form
    7,327.99/10,991.83 = 1,781.36/x
  3. Step 3: Cross multiply
    7,327.99x = 10,991.83 × 1,781.36
  4. Step 4: Simplify right side
    7,327.99x = 19,580,406.29
  5. Step 5: Solve for x
    x = 19,580,406.29/7,327.99
  6. Step 6: Final answer
    x = 2,672.00

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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.