Home / 8,004.28-12,005.05-2,159.52

Finding the Fourth Proportional to 8,004.28, 12,005.05 and 2,159.52

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Solution

The fourth proportional to 8,004.28, 12,005.05 and 2,159.52 is: 3,238.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,004.28 : 12,005.05 = 2,159.52 : x
  2. Step 2: Convert to fraction form
    8,004.28/12,005.05 = 2,159.52/x
  3. Step 3: Cross multiply
    8,004.28x = 12,005.05 × 2,159.52
  4. Step 4: Simplify right side
    8,004.28x = 25,925,145.58
  5. Step 5: Solve for x
    x = 25,925,145.58/8,004.28
  6. Step 6: Final answer
    x = 3,238.91

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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.