Home / 8,783.63-13,180.62-3,240.84

Finding the Fourth Proportional to 8,783.63, 13,180.62 and 3,240.84

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Solution

The fourth proportional to 8,783.63, 13,180.62 and 3,240.84 is: 4,863.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,783.63 : 13,180.62 = 3,240.84 : x
  2. Step 2: Convert to fraction form
    8,783.63/13,180.62 = 3,240.84/x
  3. Step 3: Cross multiply
    8,783.63x = 13,180.62 × 3,240.84
  4. Step 4: Simplify right side
    8,783.63x = 42,716,280.52
  5. Step 5: Solve for x
    x = 42,716,280.52/8,783.63
  6. Step 6: Final answer
    x = 4,863.17

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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.