Home / 4,456.42-6,143.44-3,125.99

Finding the Fourth Proportional to 4,456.42, 6,143.44 and 3,125.99

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Solution

The fourth proportional to 4,456.42, 6,143.44 and 3,125.99 is: 4,309.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,456.42 : 6,143.44 = 3,125.99 : x
  2. Step 2: Convert to fraction form
    4,456.42/6,143.44 = 3,125.99/x
  3. Step 3: Cross multiply
    4,456.42x = 6,143.44 × 3,125.99
  4. Step 4: Simplify right side
    4,456.42x = 19,204,332.01
  5. Step 5: Solve for x
    x = 19,204,332.01/4,456.42
  6. Step 6: Final answer
    x = 4,309.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.