Home / 4,267.11-6,400.80-1,345.44

Finding the Fourth Proportional to 4,267.11, 6,400.80 and 1,345.44

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Solution

The fourth proportional to 4,267.11, 6,400.80 and 1,345.44 is: 2,018.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,267.11 : 6,400.80 = 1,345.44 : x
  2. Step 2: Convert to fraction form
    4,267.11/6,400.80 = 1,345.44/x
  3. Step 3: Cross multiply
    4,267.11x = 6,400.80 × 1,345.44
  4. Step 4: Simplify right side
    4,267.11x = 8,611,892.35
  5. Step 5: Solve for x
    x = 8,611,892.35/4,267.11
  6. Step 6: Final answer
    x = 2,018.20

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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.