Home / 8,380.24-11,564.68-4,654.16

Finding the Fourth Proportional to 8,380.24, 11,564.68 and 4,654.16

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Solution

The fourth proportional to 8,380.24, 11,564.68 and 4,654.16 is: 6,422.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,380.24 : 11,564.68 = 4,654.16 : x
  2. Step 2: Convert to fraction form
    8,380.24/11,564.68 = 4,654.16/x
  3. Step 3: Cross multiply
    8,380.24x = 11,564.68 × 4,654.16
  4. Step 4: Simplify right side
    8,380.24x = 53,823,871.07
  5. Step 5: Solve for x
    x = 53,823,871.07/8,380.24
  6. Step 6: Final answer
    x = 6,422.71

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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.