Home / 5,877.45-8,815.36-2,179.17

Finding the Fourth Proportional to 5,877.45, 8,815.36 and 2,179.17

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Solution

The fourth proportional to 5,877.45, 8,815.36 and 2,179.17 is: 3,268.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,877.45 : 8,815.36 = 2,179.17 : x
  2. Step 2: Convert to fraction form
    5,877.45/8,815.36 = 2,179.17/x
  3. Step 3: Cross multiply
    5,877.45x = 8,815.36 × 2,179.17
  4. Step 4: Simplify right side
    5,877.45x = 19,210,137.72
  5. Step 5: Solve for x
    x = 19,210,137.72/5,877.45
  6. Step 6: Final answer
    x = 3,268.45

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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.