Home / 6,780.19-10,168.65-1,849.86

Finding the Fourth Proportional to 6,780.19, 10,168.65 and 1,849.86

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Solution

The fourth proportional to 6,780.19, 10,168.65 and 1,849.86 is: 2,774.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,780.19 : 10,168.65 = 1,849.86 : x
  2. Step 2: Convert to fraction form
    6,780.19/10,168.65 = 1,849.86/x
  3. Step 3: Cross multiply
    6,780.19x = 10,168.65 × 1,849.86
  4. Step 4: Simplify right side
    6,780.19x = 18,810,578.89
  5. Step 5: Solve for x
    x = 18,810,578.89/6,780.19
  6. Step 6: Final answer
    x = 2,774.34

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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.