Home / 10,651.70-15,977.52-2,859.86

Finding the Fourth Proportional to 10,651.70, 15,977.52 and 2,859.86

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Solution

The fourth proportional to 10,651.70, 15,977.52 and 2,859.86 is: 4,289.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,651.70 : 15,977.52 = 2,859.86 : x
  2. Step 2: Convert to fraction form
    10,651.70/15,977.52 = 2,859.86/x
  3. Step 3: Cross multiply
    10,651.70x = 15,977.52 × 2,859.86
  4. Step 4: Simplify right side
    10,651.70x = 45,693,470.35
  5. Step 5: Solve for x
    x = 45,693,470.35/10,651.70
  6. Step 6: Final answer
    x = 4,289.78

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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.