Home / 8,684.32-13,027.08-3,490.21

Finding the Fourth Proportional to 8,684.32, 13,027.08 and 3,490.21

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Solution

The fourth proportional to 8,684.32, 13,027.08 and 3,490.21 is: 5,235.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,684.32 : 13,027.08 = 3,490.21 : x
  2. Step 2: Convert to fraction form
    8,684.32/13,027.08 = 3,490.21/x
  3. Step 3: Cross multiply
    8,684.32x = 13,027.08 × 3,490.21
  4. Step 4: Simplify right side
    8,684.32x = 45,467,244.89
  5. Step 5: Solve for x
    x = 45,467,244.89/8,684.32
  6. Step 6: Final answer
    x = 5,235.56

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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.