Home / 8,529.28-12,775.40-4,137.50

Finding the Fourth Proportional to 8,529.28, 12,775.40 and 4,137.50

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Solution

The fourth proportional to 8,529.28, 12,775.40 and 4,137.50 is: 6,197.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,529.28 : 12,775.40 = 4,137.50 : x
  2. Step 2: Convert to fraction form
    8,529.28/12,775.40 = 4,137.50/x
  3. Step 3: Cross multiply
    8,529.28x = 12,775.40 × 4,137.50
  4. Step 4: Simplify right side
    8,529.28x = 52,858,217.50
  5. Step 5: Solve for x
    x = 52,858,217.50/8,529.28
  6. Step 6: Final answer
    x = 6,197.27

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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.