Home / 9,719.43-14,575.56-3,477.75

Finding the Fourth Proportional to 9,719.43, 14,575.56 and 3,477.75

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Solution

The fourth proportional to 9,719.43, 14,575.56 and 3,477.75 is: 5,215.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,719.43 : 14,575.56 = 3,477.75 : x
  2. Step 2: Convert to fraction form
    9,719.43/14,575.56 = 3,477.75/x
  3. Step 3: Cross multiply
    9,719.43x = 14,575.56 × 3,477.75
  4. Step 4: Simplify right side
    9,719.43x = 50,690,153.79
  5. Step 5: Solve for x
    x = 50,690,153.79/9,719.43
  6. Step 6: Final answer
    x = 5,215.34

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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.