Home / 4,188.99-6,283.79-1,267.53

Finding the Fourth Proportional to 4,188.99, 6,283.79 and 1,267.53

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Solution

The fourth proportional to 4,188.99, 6,283.79 and 1,267.53 is: 1,901.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,188.99 : 6,283.79 = 1,267.53 : x
  2. Step 2: Convert to fraction form
    4,188.99/6,283.79 = 1,267.53/x
  3. Step 3: Cross multiply
    4,188.99x = 6,283.79 × 1,267.53
  4. Step 4: Simplify right side
    4,188.99x = 7,964,892.34
  5. Step 5: Solve for x
    x = 7,964,892.34/4,188.99
  6. Step 6: Final answer
    x = 1,901.39

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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.