Home / 8,860.72-13,291.13-2,286.46

Finding the Fourth Proportional to 8,860.72, 13,291.13 and 2,286.46

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Solution

The fourth proportional to 8,860.72, 13,291.13 and 2,286.46 is: 3,429.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,860.72 : 13,291.13 = 2,286.46 : x
  2. Step 2: Convert to fraction form
    8,860.72/13,291.13 = 2,286.46/x
  3. Step 3: Cross multiply
    8,860.72x = 13,291.13 × 2,286.46
  4. Step 4: Simplify right side
    8,860.72x = 30,389,570.64
  5. Step 5: Solve for x
    x = 30,389,570.64/8,860.72
  6. Step 6: Final answer
    x = 3,429.70

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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.