Home / 8,433.32-12,649.37-4,758.55

Finding the Fourth Proportional to 8,433.32, 12,649.37 and 4,758.55

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Solution

The fourth proportional to 8,433.32, 12,649.37 and 4,758.55 is: 7,137.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,433.32 : 12,649.37 = 4,758.55 : x
  2. Step 2: Convert to fraction form
    8,433.32/12,649.37 = 4,758.55/x
  3. Step 3: Cross multiply
    8,433.32x = 12,649.37 × 4,758.55
  4. Step 4: Simplify right side
    8,433.32x = 60,192,604.20
  5. Step 5: Solve for x
    x = 60,192,604.20/8,433.32
  6. Step 6: Final answer
    x = 7,137.48

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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.