Home / 6,110.85-8,433.29-3,421.90

Finding the Fourth Proportional to 6,110.85, 8,433.29 and 3,421.90

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Solution

The fourth proportional to 6,110.85, 8,433.29 and 3,421.90 is: 4,722.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,110.85 : 8,433.29 = 3,421.90 : x
  2. Step 2: Convert to fraction form
    6,110.85/8,433.29 = 3,421.90/x
  3. Step 3: Cross multiply
    6,110.85x = 8,433.29 × 3,421.90
  4. Step 4: Simplify right side
    6,110.85x = 28,857,875.05
  5. Step 5: Solve for x
    x = 28,857,875.05/6,110.85
  6. Step 6: Final answer
    x = 4,722.40

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1.5x scale

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.