Home / 8,780.19-13,168.86-3,232.17

Finding the Fourth Proportional to 8,780.19, 13,168.86 and 3,232.17

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Solution

The fourth proportional to 8,780.19, 13,168.86 and 3,232.17 is: 4,847.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,780.19 : 13,168.86 = 3,232.17 : x
  2. Step 2: Convert to fraction form
    8,780.19/13,168.86 = 3,232.17/x
  3. Step 3: Cross multiply
    8,780.19x = 13,168.86 × 3,232.17
  4. Step 4: Simplify right side
    8,780.19x = 42,563,994.23
  5. Step 5: Solve for x
    x = 42,563,994.23/8,780.19
  6. Step 6: Final answer
    x = 4,847.73

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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.