Home / 5,878.36-8,816.58-2,179.72

Finding the Fourth Proportional to 5,878.36, 8,816.58 and 2,179.72

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Solution

The fourth proportional to 5,878.36, 8,816.58 and 2,179.72 is: 3,269.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,878.36 : 8,816.58 = 2,179.72 : x
  2. Step 2: Convert to fraction form
    5,878.36/8,816.58 = 2,179.72/x
  3. Step 3: Cross multiply
    5,878.36x = 8,816.58 × 2,179.72
  4. Step 4: Simplify right side
    5,878.36x = 19,217,675.76
  5. Step 5: Solve for x
    x = 19,217,675.76/5,878.36
  6. Step 6: Final answer
    x = 3,269.22

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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.