Home / 4,259.32-6,390.90-2,309.24

Finding the Fourth Proportional to 4,259.32, 6,390.90 and 2,309.24

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Solution

The fourth proportional to 4,259.32, 6,390.90 and 2,309.24 is: 3,464.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,259.32 : 6,390.90 = 2,309.24 : x
  2. Step 2: Convert to fraction form
    4,259.32/6,390.90 = 2,309.24/x
  3. Step 3: Cross multiply
    4,259.32x = 6,390.90 × 2,309.24
  4. Step 4: Simplify right side
    4,259.32x = 14,758,121.92
  5. Step 5: Solve for x
    x = 14,758,121.92/4,259.32
  6. Step 6: Final answer
    x = 3,464.90

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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.