Home / 6,114.85-8,438.41-3,320.35

Finding the Fourth Proportional to 6,114.85, 8,438.41 and 3,320.35

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Solution

The fourth proportional to 6,114.85, 8,438.41 and 3,320.35 is: 4,582.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,114.85 : 8,438.41 = 3,320.35 : x
  2. Step 2: Convert to fraction form
    6,114.85/8,438.41 = 3,320.35/x
  3. Step 3: Cross multiply
    6,114.85x = 8,438.41 × 3,320.35
  4. Step 4: Simplify right side
    6,114.85x = 28,018,474.64
  5. Step 5: Solve for x
    x = 28,018,474.64/6,114.85
  6. Step 6: Final answer
    x = 4,582.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.