Home / 5,816.10-8,724.12-2,355.78

Finding the Fourth Proportional to 5,816.10, 8,724.12 and 2,355.78

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Solution

The fourth proportional to 5,816.10, 8,724.12 and 2,355.78 is: 3,533.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,816.10 : 8,724.12 = 2,355.78 : x
  2. Step 2: Convert to fraction form
    5,816.10/8,724.12 = 2,355.78/x
  3. Step 3: Cross multiply
    5,816.10x = 8,724.12 × 2,355.78
  4. Step 4: Simplify right side
    5,816.10x = 20,552,107.41
  5. Step 5: Solve for x
    x = 20,552,107.41/5,816.10
  6. Step 6: Final answer
    x = 3,533.66

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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.