Home / 8,468.28-11,682.29-5,485.12

Finding the Fourth Proportional to 8,468.28, 11,682.29 and 5,485.12

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Solution

The fourth proportional to 8,468.28, 11,682.29 and 5,485.12 is: 7,566.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,468.28 : 11,682.29 = 5,485.12 : x
  2. Step 2: Convert to fraction form
    8,468.28/11,682.29 = 5,485.12/x
  3. Step 3: Cross multiply
    8,468.28x = 11,682.29 × 5,485.12
  4. Step 4: Simplify right side
    8,468.28x = 64,078,747.03
  5. Step 5: Solve for x
    x = 64,078,747.03/8,468.28
  6. Step 6: Final answer
    x = 7,566.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.