Home / 4,288.32-6,421.77-2,723.58

Finding the Fourth Proportional to 4,288.32, 6,421.77 and 2,723.58

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Solution

The fourth proportional to 4,288.32, 6,421.77 and 2,723.58 is: 4,078.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,288.32 : 6,421.77 = 2,723.58 : x
  2. Step 2: Convert to fraction form
    4,288.32/6,421.77 = 2,723.58/x
  3. Step 3: Cross multiply
    4,288.32x = 6,421.77 × 2,723.58
  4. Step 4: Simplify right side
    4,288.32x = 17,490,204.34
  5. Step 5: Solve for x
    x = 17,490,204.34/4,288.32
  6. Step 6: Final answer
    x = 4,078.57

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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.