Home / 8,252.12-12,378.59-3,056.78

Finding the Fourth Proportional to 8,252.12, 12,378.59 and 3,056.78

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Solution

The fourth proportional to 8,252.12, 12,378.59 and 3,056.78 is: 4,585.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,252.12 : 12,378.59 = 3,056.78 : x
  2. Step 2: Convert to fraction form
    8,252.12/12,378.59 = 3,056.78/x
  3. Step 3: Cross multiply
    8,252.12x = 12,378.59 × 3,056.78
  4. Step 4: Simplify right side
    8,252.12x = 37,838,611.06
  5. Step 5: Solve for x
    x = 37,838,611.06/8,252.12
  6. Step 6: Final answer
    x = 4,585.32

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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.