Home / 8,684.19-11,984.39-5,325.06

Finding the Fourth Proportional to 8,684.19, 11,984.39 and 5,325.06

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Solution

The fourth proportional to 8,684.19, 11,984.39 and 5,325.06 is: 7,348.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,684.19 : 11,984.39 = 5,325.06 : x
  2. Step 2: Convert to fraction form
    8,684.19/11,984.39 = 5,325.06/x
  3. Step 3: Cross multiply
    8,684.19x = 11,984.39 × 5,325.06
  4. Step 4: Simplify right side
    8,684.19x = 63,817,589.15
  5. Step 5: Solve for x
    x = 63,817,589.15/8,684.19
  6. Step 6: Final answer
    x = 7,348.71

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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.