Home / 4,390.78-6,580.22-2,201.08

Finding the Fourth Proportional to 4,390.78, 6,580.22 and 2,201.08

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Solution

The fourth proportional to 4,390.78, 6,580.22 and 2,201.08 is: 3,298.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,390.78 : 6,580.22 = 2,201.08 : x
  2. Step 2: Convert to fraction form
    4,390.78/6,580.22 = 2,201.08/x
  3. Step 3: Cross multiply
    4,390.78x = 6,580.22 × 2,201.08
  4. Step 4: Simplify right side
    4,390.78x = 14,483,590.64
  5. Step 5: Solve for x
    x = 14,483,590.64/4,390.78
  6. Step 6: Final answer
    x = 3,298.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.