Home / 9,318.26-13,980.40-2,744.48

Finding the Fourth Proportional to 9,318.26, 13,980.40 and 2,744.48

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Solution

The fourth proportional to 9,318.26, 13,980.40 and 2,744.48 is: 4,117.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,318.26 : 13,980.40 = 2,744.48 : x
  2. Step 2: Convert to fraction form
    9,318.26/13,980.40 = 2,744.48/x
  3. Step 3: Cross multiply
    9,318.26x = 13,980.40 × 2,744.48
  4. Step 4: Simplify right side
    9,318.26x = 38,368,851.43
  5. Step 5: Solve for x
    x = 38,368,851.43/9,318.26
  6. Step 6: Final answer
    x = 4,117.60

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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.