Home / 8,783.50-13,180.44-3,240.74

Finding the Fourth Proportional to 8,783.50, 13,180.44 and 3,240.74

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Solution

The fourth proportional to 8,783.50, 13,180.44 and 3,240.74 is: 4,863.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,783.50 : 13,180.44 = 3,240.74 : x
  2. Step 2: Convert to fraction form
    8,783.50/13,180.44 = 3,240.74/x
  3. Step 3: Cross multiply
    8,783.50x = 13,180.44 × 3,240.74
  4. Step 4: Simplify right side
    8,783.50x = 42,714,297.02
  5. Step 5: Solve for x
    x = 42,714,297.02/8,783.50
  6. Step 6: Final answer
    x = 4,863.02

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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.