Home / 4,239.05-6,356.88-1,316.57

Finding the Fourth Proportional to 4,239.05, 6,356.88 and 1,316.57

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Solution

The fourth proportional to 4,239.05, 6,356.88 and 1,316.57 is: 1,974.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,239.05 : 6,356.88 = 1,316.57 : x
  2. Step 2: Convert to fraction form
    4,239.05/6,356.88 = 1,316.57/x
  3. Step 3: Cross multiply
    4,239.05x = 6,356.88 × 1,316.57
  4. Step 4: Simplify right side
    4,239.05x = 8,369,245.72
  5. Step 5: Solve for x
    x = 8,369,245.72/4,239.05
  6. Step 6: Final answer
    x = 1,974.32

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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.