Home / 7,322.13-10,986.08-3,215.25

Finding the Fourth Proportional to 7,322.13, 10,986.08 and 3,215.25

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Solution

The fourth proportional to 7,322.13, 10,986.08 and 3,215.25 is: 4,824.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,322.13 : 10,986.08 = 3,215.25 : x
  2. Step 2: Convert to fraction form
    7,322.13/10,986.08 = 3,215.25/x
  3. Step 3: Cross multiply
    7,322.13x = 10,986.08 × 3,215.25
  4. Step 4: Simplify right side
    7,322.13x = 35,322,977.64
  5. Step 5: Solve for x
    x = 35,322,977.64/7,322.13
  6. Step 6: Final answer
    x = 4,824.14

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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.