Home / 9,438.21-14,156.60-2,864.43

Finding the Fourth Proportional to 9,438.21, 14,156.60 and 2,864.43

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Solution

The fourth proportional to 9,438.21, 14,156.60 and 2,864.43 is: 4,296.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,438.21 : 14,156.60 = 2,864.43 : x
  2. Step 2: Convert to fraction form
    9,438.21/14,156.60 = 2,864.43/x
  3. Step 3: Cross multiply
    9,438.21x = 14,156.60 × 2,864.43
  4. Step 4: Simplify right side
    9,438.21x = 40,550,575.42
  5. Step 5: Solve for x
    x = 40,550,575.42/9,438.21
  6. Step 6: Final answer
    x = 4,296.43

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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.