Home / 8,767.42-13,143.31-3,219.48

Finding the Fourth Proportional to 8,767.42, 13,143.31 and 3,219.48

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Solution

The fourth proportional to 8,767.42, 13,143.31 and 3,219.48 is: 4,826.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,767.42 : 13,143.31 = 3,219.48 : x
  2. Step 2: Convert to fraction form
    8,767.42/13,143.31 = 3,219.48/x
  3. Step 3: Cross multiply
    8,767.42x = 13,143.31 × 3,219.48
  4. Step 4: Simplify right side
    8,767.42x = 42,314,623.68
  5. Step 5: Solve for x
    x = 42,314,623.68/8,767.42
  6. Step 6: Final answer
    x = 4,826.35

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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.