Home / 6,783.90-10,175.84-1,853.43

Finding the Fourth Proportional to 6,783.90, 10,175.84 and 1,853.43

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Solution

The fourth proportional to 6,783.90, 10,175.84 and 1,853.43 is: 2,780.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,783.90 : 10,175.84 = 1,853.43 : x
  2. Step 2: Convert to fraction form
    6,783.90/10,175.84 = 1,853.43/x
  3. Step 3: Cross multiply
    6,783.90x = 10,175.84 × 1,853.43
  4. Step 4: Simplify right side
    6,783.90x = 18,860,207.13
  5. Step 5: Solve for x
    x = 18,860,207.13/6,783.90
  6. Step 6: Final answer
    x = 2,780.14

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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.