Home / 4,212.48-5,808.90-3,465.60

Finding the Fourth Proportional to 4,212.48, 5,808.90 and 3,465.60

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Solution

The fourth proportional to 4,212.48, 5,808.90 and 3,465.60 is: 4,778.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,212.48 : 5,808.90 = 3,465.60 : x
  2. Step 2: Convert to fraction form
    4,212.48/5,808.90 = 3,465.60/x
  3. Step 3: Cross multiply
    4,212.48x = 5,808.90 × 3,465.60
  4. Step 4: Simplify right side
    4,212.48x = 20,131,323.84
  5. Step 5: Solve for x
    x = 20,131,323.84/4,212.48
  6. Step 6: Final answer
    x = 4,778.97

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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.