Home / 8,113.56-12,170.45-2,848.37

Finding the Fourth Proportional to 8,113.56, 12,170.45 and 2,848.37

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Solution

The fourth proportional to 8,113.56, 12,170.45 and 2,848.37 is: 4,272.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,113.56 : 12,170.45 = 2,848.37 : x
  2. Step 2: Convert to fraction form
    8,113.56/12,170.45 = 2,848.37/x
  3. Step 3: Cross multiply
    8,113.56x = 12,170.45 × 2,848.37
  4. Step 4: Simplify right side
    8,113.56x = 34,665,869.57
  5. Step 5: Solve for x
    x = 34,665,869.57/8,113.56
  6. Step 6: Final answer
    x = 4,272.58

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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.