Home / 8,775.38-13,164.36-2,930.60

Finding the Fourth Proportional to 8,775.38, 13,164.36 and 2,930.60

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Solution

The fourth proportional to 8,775.38, 13,164.36 and 2,930.60 is: 4,396.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,775.38 : 13,164.36 = 2,930.60 : x
  2. Step 2: Convert to fraction form
    8,775.38/13,164.36 = 2,930.60/x
  3. Step 3: Cross multiply
    8,775.38x = 13,164.36 × 2,930.60
  4. Step 4: Simplify right side
    8,775.38x = 38,579,473.42
  5. Step 5: Solve for x
    x = 38,579,473.42/8,775.38
  6. Step 6: Final answer
    x = 4,396.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.