Home / 7,682.04-11,530.28-3,986.89

Finding the Fourth Proportional to 7,682.04, 11,530.28 and 3,986.89

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Solution

The fourth proportional to 7,682.04, 11,530.28 and 3,986.89 is: 5,984.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,682.04 : 11,530.28 = 3,986.89 : x
  2. Step 2: Convert to fraction form
    7,682.04/11,530.28 = 3,986.89/x
  3. Step 3: Cross multiply
    7,682.04x = 11,530.28 × 3,986.89
  4. Step 4: Simplify right side
    7,682.04x = 45,969,939.17
  5. Step 5: Solve for x
    x = 45,969,939.17/7,682.04
  6. Step 6: Final answer
    x = 5,984.08

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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.