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Finding the Fourth Proportional to 6,073.05, 8,381.30 and 3,420.30

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Solution

The fourth proportional to 6,073.05, 8,381.30 and 3,420.30 is: 4,720.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,073.05 : 8,381.30 = 3,420.30 : x
  2. Step 2: Convert to fraction form
    6,073.05/8,381.30 = 3,420.30/x
  3. Step 3: Cross multiply
    6,073.05x = 8,381.30 × 3,420.30
  4. Step 4: Simplify right side
    6,073.05x = 28,666,543.29
  5. Step 5: Solve for x
    x = 28,666,543.29/6,073.05
  6. Step 6: Final answer
    x = 4,720.29

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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.