Home / 9,276.76-13,911.30-3,438.04

Finding the Fourth Proportional to 9,276.76, 13,911.30 and 3,438.04

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Solution

The fourth proportional to 9,276.76, 13,911.30 and 3,438.04 is: 5,155.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,276.76 : 13,911.30 = 3,438.04 : x
  2. Step 2: Convert to fraction form
    9,276.76/13,911.30 = 3,438.04/x
  3. Step 3: Cross multiply
    9,276.76x = 13,911.30 × 3,438.04
  4. Step 4: Simplify right side
    9,276.76x = 47,827,605.85
  5. Step 5: Solve for x
    x = 47,827,605.85/9,276.76
  6. Step 6: Final answer
    x = 5,155.64

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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.