Home / 10,651.20-15,977.97-2,860.62

Finding the Fourth Proportional to 10,651.20, 15,977.97 and 2,860.62

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Solution

The fourth proportional to 10,651.20, 15,977.97 and 2,860.62 is: 4,291.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,651.20 : 15,977.97 = 2,860.62 : x
  2. Step 2: Convert to fraction form
    10,651.20/15,977.97 = 2,860.62/x
  3. Step 3: Cross multiply
    10,651.20x = 15,977.97 × 2,860.62
  4. Step 4: Simplify right side
    10,651.20x = 45,706,900.54
  5. Step 5: Solve for x
    x = 45,706,900.54/10,651.20
  6. Step 6: Final answer
    x = 4,291.24

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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.