Home / 5,109.27-7,698.68-4,205.10

Finding the Fourth Proportional to 5,109.27, 7,698.68 and 4,205.10

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Solution

The fourth proportional to 5,109.27, 7,698.68 and 4,205.10 is: 6,336.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,109.27 : 7,698.68 = 4,205.10 : x
  2. Step 2: Convert to fraction form
    5,109.27/7,698.68 = 4,205.10/x
  3. Step 3: Cross multiply
    5,109.27x = 7,698.68 × 4,205.10
  4. Step 4: Simplify right side
    5,109.27x = 32,373,698.24
  5. Step 5: Solve for x
    x = 32,373,698.24/5,109.27
  6. Step 6: Final answer
    x = 6,336.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.