Home / 4,819.80-6,652.58-3,145.36

Finding the Fourth Proportional to 4,819.80, 6,652.58 and 3,145.36

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Solution

The fourth proportional to 4,819.80, 6,652.58 and 3,145.36 is: 4,341.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,819.80 : 6,652.58 = 3,145.36 : x
  2. Step 2: Convert to fraction form
    4,819.80/6,652.58 = 3,145.36/x
  3. Step 3: Cross multiply
    4,819.80x = 6,652.58 × 3,145.36
  4. Step 4: Simplify right side
    4,819.80x = 20,924,759.03
  5. Step 5: Solve for x
    x = 20,924,759.03/4,819.80
  6. Step 6: Final answer
    x = 4,341.42

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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.