Home / 6,776.76-10,159.68-2,878.44

Finding the Fourth Proportional to 6,776.76, 10,159.68 and 2,878.44

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Solution

The fourth proportional to 6,776.76, 10,159.68 and 2,878.44 is: 4,315.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,776.76 : 10,159.68 = 2,878.44 : x
  2. Step 2: Convert to fraction form
    6,776.76/10,159.68 = 2,878.44/x
  3. Step 3: Cross multiply
    6,776.76x = 10,159.68 × 2,878.44
  4. Step 4: Simplify right side
    6,776.76x = 29,244,029.30
  5. Step 5: Solve for x
    x = 29,244,029.30/6,776.76
  6. Step 6: Final answer
    x = 4,315.34

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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.