Home / 4,503.80-6,212.50-4,187.09

Finding the Fourth Proportional to 4,503.80, 6,212.50 and 4,187.09

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Solution

The fourth proportional to 4,503.80, 6,212.50 and 4,187.09 is: 5,775.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,503.80 : 6,212.50 = 4,187.09 : x
  2. Step 2: Convert to fraction form
    4,503.80/6,212.50 = 4,187.09/x
  3. Step 3: Cross multiply
    4,503.80x = 6,212.50 × 4,187.09
  4. Step 4: Simplify right side
    4,503.80x = 26,012,301.69
  5. Step 5: Solve for x
    x = 26,012,301.69/4,503.80
  6. Step 6: Final answer
    x = 5,775.63

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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.