Home / 7,900.96-11,862.24-4,440.64

Finding the Fourth Proportional to 7,900.96, 11,862.24 and 4,440.64

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Solution

The fourth proportional to 7,900.96, 11,862.24 and 4,440.64 is: 6,667.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,900.96 : 11,862.24 = 4,440.64 : x
  2. Step 2: Convert to fraction form
    7,900.96/11,862.24 = 4,440.64/x
  3. Step 3: Cross multiply
    7,900.96x = 11,862.24 × 4,440.64
  4. Step 4: Simplify right side
    7,900.96x = 52,675,937.43
  5. Step 5: Solve for x
    x = 52,675,937.43/7,900.96
  6. Step 6: Final answer
    x = 6,667.03

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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.