Home / 6,878.62-10,320.09-5,053.42

Finding the Fourth Proportional to 6,878.62, 10,320.09 and 5,053.42

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Solution

The fourth proportional to 6,878.62, 10,320.09 and 5,053.42 is: 7,581.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,878.62 : 10,320.09 = 5,053.42 : x
  2. Step 2: Convert to fraction form
    6,878.62/10,320.09 = 5,053.42/x
  3. Step 3: Cross multiply
    6,878.62x = 10,320.09 × 5,053.42
  4. Step 4: Simplify right side
    6,878.62x = 52,151,749.21
  5. Step 5: Solve for x
    x = 52,151,749.21/6,878.62
  6. Step 6: Final answer
    x = 7,581.72

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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.