Home / 7,251.60-10,006.40-4,107.12

Finding the Fourth Proportional to 7,251.60, 10,006.40 and 4,107.12

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Solution

The fourth proportional to 7,251.60, 10,006.40 and 4,107.12 is: 5,667.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,251.60 : 10,006.40 = 4,107.12 : x
  2. Step 2: Convert to fraction form
    7,251.60/10,006.40 = 4,107.12/x
  3. Step 3: Cross multiply
    7,251.60x = 10,006.40 × 4,107.12
  4. Step 4: Simplify right side
    7,251.60x = 41,097,485.57
  5. Step 5: Solve for x
    x = 41,097,485.57/7,251.60
  6. Step 6: Final answer
    x = 5,667.37

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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.