Home / 8,364.60-12,537.72-4,196.34

Finding the Fourth Proportional to 8,364.60, 12,537.72 and 4,196.34

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Solution

The fourth proportional to 8,364.60, 12,537.72 and 4,196.34 is: 6,289.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,364.60 : 12,537.72 = 4,196.34 : x
  2. Step 2: Convert to fraction form
    8,364.60/12,537.72 = 4,196.34/x
  3. Step 3: Cross multiply
    8,364.60x = 12,537.72 × 4,196.34
  4. Step 4: Simplify right side
    8,364.60x = 52,612,535.94
  5. Step 5: Solve for x
    x = 52,612,535.94/8,364.60
  6. Step 6: Final answer
    x = 6,289.90

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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.