Home / 8,789.50-13,187.49-4,629.34

Finding the Fourth Proportional to 8,789.50, 13,187.49 and 4,629.34

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Solution

The fourth proportional to 8,789.50, 13,187.49 and 4,629.34 is: 6,945.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,789.50 : 13,187.49 = 4,629.34 : x
  2. Step 2: Convert to fraction form
    8,789.50/13,187.49 = 4,629.34/x
  3. Step 3: Cross multiply
    8,789.50x = 13,187.49 × 4,629.34
  4. Step 4: Simplify right side
    8,789.50x = 61,049,374.96
  5. Step 5: Solve for x
    x = 61,049,374.96/8,789.50
  6. Step 6: Final answer
    x = 6,945.72

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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.