Home / 4,549.77-6,823.68-1,429.38

Finding the Fourth Proportional to 4,549.77, 6,823.68 and 1,429.38

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Solution

The fourth proportional to 4,549.77, 6,823.68 and 1,429.38 is: 2,143.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,549.77 : 6,823.68 = 1,429.38 : x
  2. Step 2: Convert to fraction form
    4,549.77/6,823.68 = 1,429.38/x
  3. Step 3: Cross multiply
    4,549.77x = 6,823.68 × 1,429.38
  4. Step 4: Simplify right side
    4,549.77x = 9,753,626.36
  5. Step 5: Solve for x
    x = 9,753,626.36/4,549.77
  6. Step 6: Final answer
    x = 2,143.76

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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.