Home / 7,322.44-10,986.36-2,642.80

Finding the Fourth Proportional to 7,322.44, 10,986.36 and 2,642.80

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Solution

The fourth proportional to 7,322.44, 10,986.36 and 2,642.80 is: 3,965.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,322.44 : 10,986.36 = 2,642.80 : x
  2. Step 2: Convert to fraction form
    7,322.44/10,986.36 = 2,642.80/x
  3. Step 3: Cross multiply
    7,322.44x = 10,986.36 × 2,642.80
  4. Step 4: Simplify right side
    7,322.44x = 29,034,752.21
  5. Step 5: Solve for x
    x = 29,034,752.21/7,322.44
  6. Step 6: Final answer
    x = 3,965.17

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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.