Home / 4,267.25-6,400.87-1,345.78

Finding the Fourth Proportional to 4,267.25, 6,400.87 and 1,345.78

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Solution

The fourth proportional to 4,267.25, 6,400.87 and 1,345.78 is: 2,018.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,267.25 : 6,400.87 = 1,345.78 : x
  2. Step 2: Convert to fraction form
    4,267.25/6,400.87 = 1,345.78/x
  3. Step 3: Cross multiply
    4,267.25x = 6,400.87 × 1,345.78
  4. Step 4: Simplify right side
    4,267.25x = 8,614,175.04
  5. Step 5: Solve for x
    x = 8,614,175.04/4,267.25
  6. Step 6: Final answer
    x = 2,018.67

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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.