Home / 9,140.31-13,710.54-2,214.81

Finding the Fourth Proportional to 9,140.31, 13,710.54 and 2,214.81

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Solution

The fourth proportional to 9,140.31, 13,710.54 and 2,214.81 is: 3,322.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,140.31 : 13,710.54 = 2,214.81 : x
  2. Step 2: Convert to fraction form
    9,140.31/13,710.54 = 2,214.81/x
  3. Step 3: Cross multiply
    9,140.31x = 13,710.54 × 2,214.81
  4. Step 4: Simplify right side
    9,140.31x = 30,366,241.10
  5. Step 5: Solve for x
    x = 30,366,241.10/9,140.31
  6. Step 6: Final answer
    x = 3,322.23

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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.