Home / 8,170.04-12,256.72-3,239.87

Finding the Fourth Proportional to 8,170.04, 12,256.72 and 3,239.87

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Solution

The fourth proportional to 8,170.04, 12,256.72 and 3,239.87 is: 4,860.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,170.04 : 12,256.72 = 3,239.87 : x
  2. Step 2: Convert to fraction form
    8,170.04/12,256.72 = 3,239.87/x
  3. Step 3: Cross multiply
    8,170.04x = 12,256.72 × 3,239.87
  4. Step 4: Simplify right side
    8,170.04x = 39,710,110.04
  5. Step 5: Solve for x
    x = 39,710,110.04/8,170.04
  6. Step 6: Final answer
    x = 4,860.45

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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.