Home / 7,173.08-10,756.58-2,787.54

Finding the Fourth Proportional to 7,173.08, 10,756.58 and 2,787.54

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Solution

The fourth proportional to 7,173.08, 10,756.58 and 2,787.54 is: 4,180.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,173.08 : 10,756.58 = 2,787.54 : x
  2. Step 2: Convert to fraction form
    7,173.08/10,756.58 = 2,787.54/x
  3. Step 3: Cross multiply
    7,173.08x = 10,756.58 × 2,787.54
  4. Step 4: Simplify right side
    7,173.08x = 29,984,329.29
  5. Step 5: Solve for x
    x = 29,984,329.29/7,173.08
  6. Step 6: Final answer
    x = 4,180.12

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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.