Home / 8,741.72-13,116.81-4,359.80

Finding the Fourth Proportional to 8,741.72, 13,116.81 and 4,359.80

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Solution

The fourth proportional to 8,741.72, 13,116.81 and 4,359.80 is: 6,541.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,741.72 : 13,116.81 = 4,359.80 : x
  2. Step 2: Convert to fraction form
    8,741.72/13,116.81 = 4,359.80/x
  3. Step 3: Cross multiply
    8,741.72x = 13,116.81 × 4,359.80
  4. Step 4: Simplify right side
    8,741.72x = 57,186,668.24
  5. Step 5: Solve for x
    x = 57,186,668.24/8,741.72
  6. Step 6: Final answer
    x = 6,541.81

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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.