Home / 8,765.25-12,096.03-5,181.50

Finding the Fourth Proportional to 8,765.25, 12,096.03 and 5,181.50

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Solution

The fourth proportional to 8,765.25, 12,096.03 and 5,181.50 is: 7,150.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,765.25 : 12,096.03 = 5,181.50 : x
  2. Step 2: Convert to fraction form
    8,765.25/12,096.03 = 5,181.50/x
  3. Step 3: Cross multiply
    8,765.25x = 12,096.03 × 5,181.50
  4. Step 4: Simplify right side
    8,765.25x = 62,675,605.65
  5. Step 5: Solve for x
    x = 62,675,605.65/8,765.25
  6. Step 6: Final answer
    x = 7,150.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.