Home / 4,082.59-6,118.21-2,130.90

Finding the Fourth Proportional to 4,082.59, 6,118.21 and 2,130.90

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Solution

The fourth proportional to 4,082.59, 6,118.21 and 2,130.90 is: 3,193.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,082.59 : 6,118.21 = 2,130.90 : x
  2. Step 2: Convert to fraction form
    4,082.59/6,118.21 = 2,130.90/x
  3. Step 3: Cross multiply
    4,082.59x = 6,118.21 × 2,130.90
  4. Step 4: Simplify right side
    4,082.59x = 13,037,293.69
  5. Step 5: Solve for x
    x = 13,037,293.69/4,082.59
  6. Step 6: Final answer
    x = 3,193.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.