Home / 4,376.10-6,558.15-2,811.30

Finding the Fourth Proportional to 4,376.10, 6,558.15 and 2,811.30

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Solution

The fourth proportional to 4,376.10, 6,558.15 and 2,811.30 is: 4,213.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,376.10 : 6,558.15 = 2,811.30 : x
  2. Step 2: Convert to fraction form
    4,376.10/6,558.15 = 2,811.30/x
  3. Step 3: Cross multiply
    4,376.10x = 6,558.15 × 2,811.30
  4. Step 4: Simplify right side
    4,376.10x = 18,436,927.10
  5. Step 5: Solve for x
    x = 18,436,927.10/4,376.10
  6. Step 6: Final answer
    x = 4,213.10

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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.