Home / 8,524.42-12,786.32-2,977.74

Finding the Fourth Proportional to 8,524.42, 12,786.32 and 2,977.74

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Solution

The fourth proportional to 8,524.42, 12,786.32 and 2,977.74 is: 4,466.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,524.42 : 12,786.32 = 2,977.74 : x
  2. Step 2: Convert to fraction form
    8,524.42/12,786.32 = 2,977.74/x
  3. Step 3: Cross multiply
    8,524.42x = 12,786.32 × 2,977.74
  4. Step 4: Simplify right side
    8,524.42x = 38,074,336.52
  5. Step 5: Solve for x
    x = 38,074,336.52/8,524.42
  6. Step 6: Final answer
    x = 4,466.50

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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.