Home / 7,904.24-11,863.53-4,209.60

Finding the Fourth Proportional to 7,904.24, 11,863.53 and 4,209.60

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Solution

The fourth proportional to 7,904.24, 11,863.53 and 4,209.60 is: 6,318.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,904.24 : 11,863.53 = 4,209.60 : x
  2. Step 2: Convert to fraction form
    7,904.24/11,863.53 = 4,209.60/x
  3. Step 3: Cross multiply
    7,904.24x = 11,863.53 × 4,209.60
  4. Step 4: Simplify right side
    7,904.24x = 49,940,715.89
  5. Step 5: Solve for x
    x = 49,940,715.89/7,904.24
  6. Step 6: Final answer
    x = 6,318.22

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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.