Home / 8,433.81-12,650.76-3,500.81

Finding the Fourth Proportional to 8,433.81, 12,650.76 and 3,500.81

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Solution

The fourth proportional to 8,433.81, 12,650.76 and 3,500.81 is: 5,251.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,433.81 : 12,650.76 = 3,500.81 : x
  2. Step 2: Convert to fraction form
    8,433.81/12,650.76 = 3,500.81/x
  3. Step 3: Cross multiply
    8,433.81x = 12,650.76 × 3,500.81
  4. Step 4: Simplify right side
    8,433.81x = 44,287,907.12
  5. Step 5: Solve for x
    x = 44,287,907.12/8,433.81
  6. Step 6: Final answer
    x = 5,251.23

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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.