Home / 7,327.12-10,991.04-2,133.10

Finding the Fourth Proportional to 7,327.12, 10,991.04 and 2,133.10

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Solution

The fourth proportional to 7,327.12, 10,991.04 and 2,133.10 is: 3,199.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,327.12 : 10,991.04 = 2,133.10 : x
  2. Step 2: Convert to fraction form
    7,327.12/10,991.04 = 2,133.10/x
  3. Step 3: Cross multiply
    7,327.12x = 10,991.04 × 2,133.10
  4. Step 4: Simplify right side
    7,327.12x = 23,444,987.42
  5. Step 5: Solve for x
    x = 23,444,987.42/7,327.12
  6. Step 6: Final answer
    x = 3,199.75

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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.