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Finding the Fourth Proportional to 5,878.77, 8,816.48 and 1,928.62

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Solution

The fourth proportional to 5,878.77, 8,816.48 and 1,928.62 is: 2,892.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,878.77 : 8,816.48 = 1,928.62 : x
  2. Step 2: Convert to fraction form
    5,878.77/8,816.48 = 1,928.62/x
  3. Step 3: Cross multiply
    5,878.77x = 8,816.48 × 1,928.62
  4. Step 4: Simplify right side
    5,878.77x = 17,003,639.66
  5. Step 5: Solve for x
    x = 17,003,639.66/5,878.77
  6. Step 6: Final answer
    x = 2,892.38

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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.