Home / 4,277.38-6,405.12-2,425.72

Finding the Fourth Proportional to 4,277.38, 6,405.12 and 2,425.72

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Solution

The fourth proportional to 4,277.38, 6,405.12 and 2,425.72 is: 3,632.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,277.38 : 6,405.12 = 2,425.72 : x
  2. Step 2: Convert to fraction form
    4,277.38/6,405.12 = 2,425.72/x
  3. Step 3: Cross multiply
    4,277.38x = 6,405.12 × 2,425.72
  4. Step 4: Simplify right side
    4,277.38x = 15,537,027.69
  5. Step 5: Solve for x
    x = 15,537,027.69/4,277.38
  6. Step 6: Final answer
    x = 3,632.37

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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.