Home / 8,145.36-11,241.72-4,788.99

Finding the Fourth Proportional to 8,145.36, 11,241.72 and 4,788.99

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Solution

The fourth proportional to 8,145.36, 11,241.72 and 4,788.99 is: 6,609.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,145.36 : 11,241.72 = 4,788.99 : x
  2. Step 2: Convert to fraction form
    8,145.36/11,241.72 = 4,788.99/x
  3. Step 3: Cross multiply
    8,145.36x = 11,241.72 × 4,788.99
  4. Step 4: Simplify right side
    8,145.36x = 53,836,484.66
  5. Step 5: Solve for x
    x = 53,836,484.66/8,145.36
  6. Step 6: Final answer
    x = 6,609.47

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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.