Home / 6,101.72-8,420.34-3,307.22

Finding the Fourth Proportional to 6,101.72, 8,420.34 and 3,307.22

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Solution

The fourth proportional to 6,101.72, 8,420.34 and 3,307.22 is: 4,563.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,101.72 : 8,420.34 = 3,307.22 : x
  2. Step 2: Convert to fraction form
    6,101.72/8,420.34 = 3,307.22/x
  3. Step 3: Cross multiply
    6,101.72x = 8,420.34 × 3,307.22
  4. Step 4: Simplify right side
    6,101.72x = 27,847,916.85
  5. Step 5: Solve for x
    x = 27,847,916.85/6,101.72
  6. Step 6: Final answer
    x = 4,563.95

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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.