Home / 6,775.68-10,161.04-2,878.76

Finding the Fourth Proportional to 6,775.68, 10,161.04 and 2,878.76

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Solution

The fourth proportional to 6,775.68, 10,161.04 and 2,878.76 is: 4,317.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,775.68 : 10,161.04 = 2,878.76 : x
  2. Step 2: Convert to fraction form
    6,775.68/10,161.04 = 2,878.76/x
  3. Step 3: Cross multiply
    6,775.68x = 10,161.04 × 2,878.76
  4. Step 4: Simplify right side
    6,775.68x = 29,251,195.51
  5. Step 5: Solve for x
    x = 29,251,195.51/6,775.68
  6. Step 6: Final answer
    x = 4,317.09

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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.