Home / 8,170.88-12,240.48-4,886.56

Finding the Fourth Proportional to 8,170.88, 12,240.48 and 4,886.56

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Solution

The fourth proportional to 8,170.88, 12,240.48 and 4,886.56 is: 7,320.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,170.88 : 12,240.48 = 4,886.56 : x
  2. Step 2: Convert to fraction form
    8,170.88/12,240.48 = 4,886.56/x
  3. Step 3: Cross multiply
    8,170.88x = 12,240.48 × 4,886.56
  4. Step 4: Simplify right side
    8,170.88x = 59,813,839.95
  5. Step 5: Solve for x
    x = 59,813,839.95/8,170.88
  6. Step 6: Final answer
    x = 7,320.37

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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.