Home / 9,741.20-14,606.40-3,891.20

Finding the Fourth Proportional to 9,741.20, 14,606.40 and 3,891.20

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Solution

The fourth proportional to 9,741.20, 14,606.40 and 3,891.20 is: 5,834.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,741.20 : 14,606.40 = 3,891.20 : x
  2. Step 2: Convert to fraction form
    9,741.20/14,606.40 = 3,891.20/x
  3. Step 3: Cross multiply
    9,741.20x = 14,606.40 × 3,891.20
  4. Step 4: Simplify right side
    9,741.20x = 56,836,423.68
  5. Step 5: Solve for x
    x = 56,836,423.68/9,741.20
  6. Step 6: Final answer
    x = 5,834.64

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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.