Home / 9,720.41-14,582.92-3,146.59

Finding the Fourth Proportional to 9,720.41, 14,582.92 and 3,146.59

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Solution

The fourth proportional to 9,720.41, 14,582.92 and 3,146.59 is: 4,720.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,720.41 : 14,582.92 = 3,146.59 : x
  2. Step 2: Convert to fraction form
    9,720.41/14,582.92 = 3,146.59/x
  3. Step 3: Cross multiply
    9,720.41x = 14,582.92 × 3,146.59
  4. Step 4: Simplify right side
    9,720.41x = 45,886,470.24
  5. Step 5: Solve for x
    x = 45,886,470.24/9,720.41
  6. Step 6: Final answer
    x = 4,720.63

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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.