Home / 4,289.13-5,917.89-2,520.39

Finding the Fourth Proportional to 4,289.13, 5,917.89 and 2,520.39

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Solution

The fourth proportional to 4,289.13, 5,917.89 and 2,520.39 is: 3,477.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,289.13 : 5,917.89 = 2,520.39 : x
  2. Step 2: Convert to fraction form
    4,289.13/5,917.89 = 2,520.39/x
  3. Step 3: Cross multiply
    4,289.13x = 5,917.89 × 2,520.39
  4. Step 4: Simplify right side
    4,289.13x = 14,915,390.78
  5. Step 5: Solve for x
    x = 14,915,390.78/4,289.13
  6. Step 6: Final answer
    x = 3,477.49

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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.