Home / 4,478.15-6,716.23-1,357.43

Finding the Fourth Proportional to 4,478.15, 6,716.23 and 1,357.43

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Solution

The fourth proportional to 4,478.15, 6,716.23 and 1,357.43 is: 2,035.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,478.15 : 6,716.23 = 1,357.43 : x
  2. Step 2: Convert to fraction form
    4,478.15/6,716.23 = 1,357.43/x
  3. Step 3: Cross multiply
    4,478.15x = 6,716.23 × 1,357.43
  4. Step 4: Simplify right side
    4,478.15x = 9,116,775.11
  5. Step 5: Solve for x
    x = 9,116,775.11/4,478.15
  6. Step 6: Final answer
    x = 2,035.83

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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.