Home / 7,419.25-10,238.57-4,107.25

Finding the Fourth Proportional to 7,419.25, 10,238.57 and 4,107.25

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Solution

The fourth proportional to 7,419.25, 10,238.57 and 4,107.25 is: 5,668.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,419.25 : 10,238.57 = 4,107.25 : x
  2. Step 2: Convert to fraction form
    7,419.25/10,238.57 = 4,107.25/x
  3. Step 3: Cross multiply
    7,419.25x = 10,238.57 × 4,107.25
  4. Step 4: Simplify right side
    7,419.25x = 42,052,366.63
  5. Step 5: Solve for x
    x = 42,052,366.63/7,419.25
  6. Step 6: Final answer
    x = 5,668.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.