Home / 9,150.41-13,719.40-2,908.55

Finding the Fourth Proportional to 9,150.41, 13,719.40 and 2,908.55

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Solution

The fourth proportional to 9,150.41, 13,719.40 and 2,908.55 is: 4,360.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,150.41 : 13,719.40 = 2,908.55 : x
  2. Step 2: Convert to fraction form
    9,150.41/13,719.40 = 2,908.55/x
  3. Step 3: Cross multiply
    9,150.41x = 13,719.40 × 2,908.55
  4. Step 4: Simplify right side
    9,150.41x = 39,903,526.57
  5. Step 5: Solve for x
    x = 39,903,526.57/9,150.41
  6. Step 6: Final answer
    x = 4,360.85

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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.