Home / 5,904.21-8,147.13-3,385.63

Finding the Fourth Proportional to 5,904.21, 8,147.13 and 3,385.63

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Solution

The fourth proportional to 5,904.21, 8,147.13 and 3,385.63 is: 4,671.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,904.21 : 8,147.13 = 3,385.63 : x
  2. Step 2: Convert to fraction form
    5,904.21/8,147.13 = 3,385.63/x
  3. Step 3: Cross multiply
    5,904.21x = 8,147.13 × 3,385.63
  4. Step 4: Simplify right side
    5,904.21x = 27,583,167.74
  5. Step 5: Solve for x
    x = 27,583,167.74/5,904.21
  6. Step 6: Final answer
    x = 4,671.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.