Home / 8,391.50-11,580.28-4,614.73

Finding the Fourth Proportional to 8,391.50, 11,580.28 and 4,614.73

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Solution

The fourth proportional to 8,391.50, 11,580.28 and 4,614.73 is: 6,368.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,391.50 : 11,580.28 = 4,614.73 : x
  2. Step 2: Convert to fraction form
    8,391.50/11,580.28 = 4,614.73/x
  3. Step 3: Cross multiply
    8,391.50x = 11,580.28 × 4,614.73
  4. Step 4: Simplify right side
    8,391.50x = 53,439,865.52
  5. Step 5: Solve for x
    x = 53,439,865.52/8,391.50
  6. Step 6: Final answer
    x = 6,368.33

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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.