Home / 4,237.21-6,356.49-1,314.91

Finding the Fourth Proportional to 4,237.21, 6,356.49 and 1,314.91

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Solution

The fourth proportional to 4,237.21, 6,356.49 and 1,314.91 is: 1,972.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,237.21 : 6,356.49 = 1,314.91 : x
  2. Step 2: Convert to fraction form
    4,237.21/6,356.49 = 1,314.91/x
  3. Step 3: Cross multiply
    4,237.21x = 6,356.49 × 1,314.91
  4. Step 4: Simplify right side
    4,237.21x = 8,358,212.27
  5. Step 5: Solve for x
    x = 8,358,212.27/4,237.21
  6. Step 6: Final answer
    x = 1,972.57

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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.