Home / 7,438.21-11,159.34-4,153.66

Finding the Fourth Proportional to 7,438.21, 11,159.34 and 4,153.66

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Solution

The fourth proportional to 7,438.21, 11,159.34 and 4,153.66 is: 6,231.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,438.21 : 11,159.34 = 4,153.66 : x
  2. Step 2: Convert to fraction form
    7,438.21/11,159.34 = 4,153.66/x
  3. Step 3: Cross multiply
    7,438.21x = 11,159.34 × 4,153.66
  4. Step 4: Simplify right side
    7,438.21x = 46,352,104.18
  5. Step 5: Solve for x
    x = 46,352,104.18/7,438.21
  6. Step 6: Final answer
    x = 6,231.62

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1.5x scale

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.