Home / 8,143.92-11,238.08-4,558.28

Finding the Fourth Proportional to 8,143.92, 11,238.08 and 4,558.28

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Solution

The fourth proportional to 8,143.92, 11,238.08 and 4,558.28 is: 6,290.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,143.92 : 11,238.08 = 4,558.28 : x
  2. Step 2: Convert to fraction form
    8,143.92/11,238.08 = 4,558.28/x
  3. Step 3: Cross multiply
    8,143.92x = 11,238.08 × 4,558.28
  4. Step 4: Simplify right side
    8,143.92x = 51,226,315.30
  5. Step 5: Solve for x
    x = 51,226,315.30/8,143.92
  6. Step 6: Final answer
    x = 6,290.13

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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.