Home / 9,438.38-14,158.30-2,865.12

Finding the Fourth Proportional to 9,438.38, 14,158.30 and 2,865.12

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Solution

The fourth proportional to 9,438.38, 14,158.30 and 2,865.12 is: 4,297.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,438.38 : 14,158.30 = 2,865.12 : x
  2. Step 2: Convert to fraction form
    9,438.38/14,158.30 = 2,865.12/x
  3. Step 3: Cross multiply
    9,438.38x = 14,158.30 × 2,865.12
  4. Step 4: Simplify right side
    9,438.38x = 40,565,228.50
  5. Step 5: Solve for x
    x = 40,565,228.50/9,438.38
  6. Step 6: Final answer
    x = 4,297.90

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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.