Home / 5,170.64-7,148.58-4,579.88

Finding the Fourth Proportional to 5,170.64, 7,148.58 and 4,579.88

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Solution

The fourth proportional to 5,170.64, 7,148.58 and 4,579.88 is: 6,331.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,170.64 : 7,148.58 = 4,579.88 : x
  2. Step 2: Convert to fraction form
    5,170.64/7,148.58 = 4,579.88/x
  3. Step 3: Cross multiply
    5,170.64x = 7,148.58 × 4,579.88
  4. Step 4: Simplify right side
    5,170.64x = 32,739,638.57
  5. Step 5: Solve for x
    x = 32,739,638.57/5,170.64
  6. Step 6: Final answer
    x = 6,331.83

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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.