Home / 8,200.32-12,301.92-5,281.44

Finding the Fourth Proportional to 8,200.32, 12,301.92 and 5,281.44

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Solution

The fourth proportional to 8,200.32, 12,301.92 and 5,281.44 is: 7,923.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,200.32 : 12,301.92 = 5,281.44 : x
  2. Step 2: Convert to fraction form
    8,200.32/12,301.92 = 5,281.44/x
  3. Step 3: Cross multiply
    8,200.32x = 12,301.92 × 5,281.44
  4. Step 4: Simplify right side
    8,200.32x = 64,971,852.36
  5. Step 5: Solve for x
    x = 64,971,852.36/8,200.32
  6. Step 6: Final answer
    x = 7,923.09

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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.