Home / 8,464.25-11,683.79-5,107.20

Finding the Fourth Proportional to 8,464.25, 11,683.79 and 5,107.20

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Solution

The fourth proportional to 8,464.25, 11,683.79 and 5,107.20 is: 7,049.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,464.25 : 11,683.79 = 5,107.20 : x
  2. Step 2: Convert to fraction form
    8,464.25/11,683.79 = 5,107.20/x
  3. Step 3: Cross multiply
    8,464.25x = 11,683.79 × 5,107.20
  4. Step 4: Simplify right side
    8,464.25x = 59,671,465.06
  5. Step 5: Solve for x
    x = 59,671,465.06/8,464.25
  6. Step 6: Final answer
    x = 7,049.83

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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.