Home / 5,878.72-8,110.56-3,609.28

Finding the Fourth Proportional to 5,878.72, 8,110.56 and 3,609.28

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Solution

The fourth proportional to 5,878.72, 8,110.56 and 3,609.28 is: 4,979.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,878.72 : 8,110.56 = 3,609.28 : x
  2. Step 2: Convert to fraction form
    5,878.72/8,110.56 = 3,609.28/x
  3. Step 3: Cross multiply
    5,878.72x = 8,110.56 × 3,609.28
  4. Step 4: Simplify right side
    5,878.72x = 29,273,282.00
  5. Step 5: Solve for x
    x = 29,273,282.00/5,878.72
  6. Step 6: Final answer
    x = 4,979.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.