Home / 4,538.86-6,808.78-1,418.34

Finding the Fourth Proportional to 4,538.86, 6,808.78 and 1,418.34

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Solution

The fourth proportional to 4,538.86, 6,808.78 and 1,418.34 is: 2,127.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,538.86 : 6,808.78 = 1,418.34 : x
  2. Step 2: Convert to fraction form
    4,538.86/6,808.78 = 1,418.34/x
  3. Step 3: Cross multiply
    4,538.86x = 6,808.78 × 1,418.34
  4. Step 4: Simplify right side
    4,538.86x = 9,657,165.03
  5. Step 5: Solve for x
    x = 9,657,165.03/4,538.86
  6. Step 6: Final answer
    x = 2,127.66

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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.