Home / 4,712.89-6,500.91-3,388.39

Finding the Fourth Proportional to 4,712.89, 6,500.91 and 3,388.39

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Solution

The fourth proportional to 4,712.89, 6,500.91 and 3,388.39 is: 4,673.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,712.89 : 6,500.91 = 3,388.39 : x
  2. Step 2: Convert to fraction form
    4,712.89/6,500.91 = 3,388.39/x
  3. Step 3: Cross multiply
    4,712.89x = 6,500.91 × 3,388.39
  4. Step 4: Simplify right side
    4,712.89x = 22,027,618.43
  5. Step 5: Solve for x
    x = 22,027,618.43/4,712.89
  6. Step 6: Final answer
    x = 4,673.91

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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.