Home / 8,623.39-12,935.13-3,429.27

Finding the Fourth Proportional to 8,623.39, 12,935.13 and 3,429.27

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Solution

The fourth proportional to 8,623.39, 12,935.13 and 3,429.27 is: 5,143.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,623.39 : 12,935.13 = 3,429.27 : x
  2. Step 2: Convert to fraction form
    8,623.39/12,935.13 = 3,429.27/x
  3. Step 3: Cross multiply
    8,623.39x = 12,935.13 × 3,429.27
  4. Step 4: Simplify right side
    8,623.39x = 44,358,053.26
  5. Step 5: Solve for x
    x = 44,358,053.26/8,623.39
  6. Step 6: Final answer
    x = 5,143.92

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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.