Home / 4,289.08-6,434.44-2,905.60

Finding the Fourth Proportional to 4,289.08, 6,434.44 and 2,905.60

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Solution

The fourth proportional to 4,289.08, 6,434.44 and 2,905.60 is: 4,358.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,289.08 : 6,434.44 = 2,905.60 : x
  2. Step 2: Convert to fraction form
    4,289.08/6,434.44 = 2,905.60/x
  3. Step 3: Cross multiply
    4,289.08x = 6,434.44 × 2,905.60
  4. Step 4: Simplify right side
    4,289.08x = 18,695,908.86
  5. Step 5: Solve for x
    x = 18,695,908.86/4,289.08
  6. Step 6: Final answer
    x = 4,358.96

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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.