Home / 9,145.55-13,716.90-2,904.75

Finding the Fourth Proportional to 9,145.55, 13,716.90 and 2,904.75

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Solution

The fourth proportional to 9,145.55, 13,716.90 and 2,904.75 is: 4,356.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,145.55 : 13,716.90 = 2,904.75 : x
  2. Step 2: Convert to fraction form
    9,145.55/13,716.90 = 2,904.75/x
  3. Step 3: Cross multiply
    9,145.55x = 13,716.90 × 2,904.75
  4. Step 4: Simplify right side
    9,145.55x = 39,844,165.28
  5. Step 5: Solve for x
    x = 39,844,165.28/9,145.55
  6. Step 6: Final answer
    x = 4,356.67

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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.