Home / 6,082.90-8,388.77-3,840.87

Finding the Fourth Proportional to 6,082.90, 8,388.77 and 3,840.87

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Solution

The fourth proportional to 6,082.90, 8,388.77 and 3,840.87 is: 5,296.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,082.90 : 8,388.77 = 3,840.87 : x
  2. Step 2: Convert to fraction form
    6,082.90/8,388.77 = 3,840.87/x
  3. Step 3: Cross multiply
    6,082.90x = 8,388.77 × 3,840.87
  4. Step 4: Simplify right side
    6,082.90x = 32,220,140.10
  5. Step 5: Solve for x
    x = 32,220,140.10/6,082.90
  6. Step 6: Final answer
    x = 5,296.84

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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.