Home / 9,722.21-14,580.28-3,147.04

Finding the Fourth Proportional to 9,722.21, 14,580.28 and 3,147.04

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Solution

The fourth proportional to 9,722.21, 14,580.28 and 3,147.04 is: 4,719.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,722.21 : 14,580.28 = 3,147.04 : x
  2. Step 2: Convert to fraction form
    9,722.21/14,580.28 = 3,147.04/x
  3. Step 3: Cross multiply
    9,722.21x = 14,580.28 × 3,147.04
  4. Step 4: Simplify right side
    9,722.21x = 45,884,724.37
  5. Step 5: Solve for x
    x = 45,884,724.37/9,722.21
  6. Step 6: Final answer
    x = 4,719.58

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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.