Home / 8,519.05-12,775.74-4,133.71

Finding the Fourth Proportional to 8,519.05, 12,775.74 and 4,133.71

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Solution

The fourth proportional to 8,519.05, 12,775.74 and 4,133.71 is: 6,199.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,519.05 : 12,775.74 = 4,133.71 : x
  2. Step 2: Convert to fraction form
    8,519.05/12,775.74 = 4,133.71/x
  3. Step 3: Cross multiply
    8,519.05x = 12,775.74 × 4,133.71
  4. Step 4: Simplify right side
    8,519.05x = 52,811,204.20
  5. Step 5: Solve for x
    x = 52,811,204.20/8,519.05
  6. Step 6: Final answer
    x = 6,199.19

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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.