Home / 5,125.91-7,687.64-2,494.82

Finding the Fourth Proportional to 5,125.91, 7,687.64 and 2,494.82

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Solution

The fourth proportional to 5,125.91, 7,687.64 and 2,494.82 is: 3,741.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,125.91 : 7,687.64 = 2,494.82 : x
  2. Step 2: Convert to fraction form
    5,125.91/7,687.64 = 2,494.82/x
  3. Step 3: Cross multiply
    5,125.91x = 7,687.64 × 2,494.82
  4. Step 4: Simplify right side
    5,125.91x = 19,179,303.48
  5. Step 5: Solve for x
    x = 19,179,303.48/5,125.91
  6. Step 6: Final answer
    x = 3,741.64

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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.