Home / 8,552.45-12,829.62-3,554.28

Finding the Fourth Proportional to 8,552.45, 12,829.62 and 3,554.28

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Solution

The fourth proportional to 8,552.45, 12,829.62 and 3,554.28 is: 5,331.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,552.45 : 12,829.62 = 3,554.28 : x
  2. Step 2: Convert to fraction form
    8,552.45/12,829.62 = 3,554.28/x
  3. Step 3: Cross multiply
    8,552.45x = 12,829.62 × 3,554.28
  4. Step 4: Simplify right side
    8,552.45x = 45,600,061.77
  5. Step 5: Solve for x
    x = 45,600,061.77/8,552.45
  6. Step 6: Final answer
    x = 5,331.81

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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.