Home / 8,860.60-13,291.58-2,286.78

Finding the Fourth Proportional to 8,860.60, 13,291.58 and 2,286.78

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Solution

The fourth proportional to 8,860.60, 13,291.58 and 2,286.78 is: 3,430.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,860.60 : 13,291.58 = 2,286.78 : x
  2. Step 2: Convert to fraction form
    8,860.60/13,291.58 = 2,286.78/x
  3. Step 3: Cross multiply
    8,860.60x = 13,291.58 × 2,286.78
  4. Step 4: Simplify right side
    8,860.60x = 30,394,919.31
  5. Step 5: Solve for x
    x = 30,394,919.31/8,860.60
  6. Step 6: Final answer
    x = 3,430.35

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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.