Home / 8,560.71-12,840.66-3,015.27

Finding the Fourth Proportional to 8,560.71, 12,840.66 and 3,015.27

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Solution

The fourth proportional to 8,560.71, 12,840.66 and 3,015.27 is: 4,522.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,560.71 : 12,840.66 = 3,015.27 : x
  2. Step 2: Convert to fraction form
    8,560.71/12,840.66 = 3,015.27/x
  3. Step 3: Cross multiply
    8,560.71x = 12,840.66 × 3,015.27
  4. Step 4: Simplify right side
    8,560.71x = 38,718,056.88
  5. Step 5: Solve for x
    x = 38,718,056.88/8,560.71
  6. Step 6: Final answer
    x = 4,522.76

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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.