Home / 8,903.20-13,354.32-4,520.54

Finding the Fourth Proportional to 8,903.20, 13,354.32 and 4,520.54

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Solution

The fourth proportional to 8,903.20, 13,354.32 and 4,520.54 is: 6,780.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,903.20 : 13,354.32 = 4,520.54 : x
  2. Step 2: Convert to fraction form
    8,903.20/13,354.32 = 4,520.54/x
  3. Step 3: Cross multiply
    8,903.20x = 13,354.32 × 4,520.54
  4. Step 4: Simplify right side
    8,903.20x = 60,368,737.73
  5. Step 5: Solve for x
    x = 60,368,737.73/8,903.20
  6. Step 6: Final answer
    x = 6,780.57

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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.