Home / 4,815.20-6,645.42-3,023.96

Finding the Fourth Proportional to 4,815.20, 6,645.42 and 3,023.96

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Solution

The fourth proportional to 4,815.20, 6,645.42 and 3,023.96 is: 4,173.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,815.20 : 6,645.42 = 3,023.96 : x
  2. Step 2: Convert to fraction form
    4,815.20/6,645.42 = 3,023.96/x
  3. Step 3: Cross multiply
    4,815.20x = 6,645.42 × 3,023.96
  4. Step 4: Simplify right side
    4,815.20x = 20,095,484.26
  5. Step 5: Solve for x
    x = 20,095,484.26/4,815.20
  6. Step 6: Final answer
    x = 4,173.34

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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.