Home / 4,091.32-6,143.13-2,455.19

Finding the Fourth Proportional to 4,091.32, 6,143.13 and 2,455.19

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Solution

The fourth proportional to 4,091.32, 6,143.13 and 2,455.19 is: 3,686.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,091.32 : 6,143.13 = 2,455.19 : x
  2. Step 2: Convert to fraction form
    4,091.32/6,143.13 = 2,455.19/x
  3. Step 3: Cross multiply
    4,091.32x = 6,143.13 × 2,455.19
  4. Step 4: Simplify right side
    4,091.32x = 15,082,520.63
  5. Step 5: Solve for x
    x = 15,082,520.63/4,091.32
  6. Step 6: Final answer
    x = 3,686.47

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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.