Home / 4,085.76-6,125.22-3,390.48

Finding the Fourth Proportional to 4,085.76, 6,125.22 and 3,390.48

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Solution

The fourth proportional to 4,085.76, 6,125.22 and 3,390.48 is: 5,082.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,085.76 : 6,125.22 = 3,390.48 : x
  2. Step 2: Convert to fraction form
    4,085.76/6,125.22 = 3,390.48/x
  3. Step 3: Cross multiply
    4,085.76x = 6,125.22 × 3,390.48
  4. Step 4: Simplify right side
    4,085.76x = 20,767,435.91
  5. Step 5: Solve for x
    x = 20,767,435.91/4,085.76
  6. Step 6: Final answer
    x = 5,082.88

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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.