Home / 5,678.10-8,525.32-4,119.86

Finding the Fourth Proportional to 5,678.10, 8,525.32 and 4,119.86

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Solution

The fourth proportional to 5,678.10, 8,525.32 and 4,119.86 is: 6,185.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,678.10 : 8,525.32 = 4,119.86 : x
  2. Step 2: Convert to fraction form
    5,678.10/8,525.32 = 4,119.86/x
  3. Step 3: Cross multiply
    5,678.10x = 8,525.32 × 4,119.86
  4. Step 4: Simplify right side
    5,678.10x = 35,123,135.87
  5. Step 5: Solve for x
    x = 35,123,135.87/5,678.10
  6. Step 6: Final answer
    x = 6,185.72

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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.