Home / 7,823.34-11,728.62-3,437.64

Finding the Fourth Proportional to 7,823.34, 11,728.62 and 3,437.64

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Solution

The fourth proportional to 7,823.34, 11,728.62 and 3,437.64 is: 5,153.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,823.34 : 11,728.62 = 3,437.64 : x
  2. Step 2: Convert to fraction form
    7,823.34/11,728.62 = 3,437.64/x
  3. Step 3: Cross multiply
    7,823.34x = 11,728.62 × 3,437.64
  4. Step 4: Simplify right side
    7,823.34x = 40,318,773.26
  5. Step 5: Solve for x
    x = 40,318,773.26/7,823.34
  6. Step 6: Final answer
    x = 5,153.65

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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.