Home / 4,311.86-6,465.96-1,349.51

Finding the Fourth Proportional to 4,311.86, 6,465.96 and 1,349.51

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Solution

The fourth proportional to 4,311.86, 6,465.96 and 1,349.51 is: 2,023.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,311.86 : 6,465.96 = 1,349.51 : x
  2. Step 2: Convert to fraction form
    4,311.86/6,465.96 = 1,349.51/x
  3. Step 3: Cross multiply
    4,311.86x = 6,465.96 × 1,349.51
  4. Step 4: Simplify right side
    4,311.86x = 8,725,845.35
  5. Step 5: Solve for x
    x = 8,725,845.35/4,311.86
  6. Step 6: Final answer
    x = 2,023.69

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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.