Home / 8,384.08-12,577.98-3,190

Finding the Fourth Proportional to 8,384.08, 12,577.98 and 3,190

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Solution

The fourth proportional to 8,384.08, 12,577.98 and 3,190 is: 4,785.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,384.08 : 12,577.98 = 3,190 : x
  2. Step 2: Convert to fraction form
    8,384.08/12,577.98 = 3,190/x
  3. Step 3: Cross multiply
    8,384.08x = 12,577.98 × 3,190
  4. Step 4: Simplify right side
    8,384.08x = 40,123,756.20
  5. Step 5: Solve for x
    x = 40,123,756.20/8,384.08
  6. Step 6: Final answer
    x = 4,785.71

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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.