Home / 4,314.21-6,470.56-1,392.54

Finding the Fourth Proportional to 4,314.21, 6,470.56 and 1,392.54

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Solution

The fourth proportional to 4,314.21, 6,470.56 and 1,392.54 is: 2,088.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,314.21 : 6,470.56 = 1,392.54 : x
  2. Step 2: Convert to fraction form
    4,314.21/6,470.56 = 1,392.54/x
  3. Step 3: Cross multiply
    4,314.21x = 6,470.56 × 1,392.54
  4. Step 4: Simplify right side
    4,314.21x = 9,010,513.62
  5. Step 5: Solve for x
    x = 9,010,513.62/4,314.21
  6. Step 6: Final answer
    x = 2,088.57

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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.