Home / 9,278.94-13,918.34-3,043.28

Finding the Fourth Proportional to 9,278.94, 13,918.34 and 3,043.28

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Solution

The fourth proportional to 9,278.94, 13,918.34 and 3,043.28 is: 4,564.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,278.94 : 13,918.34 = 3,043.28 : x
  2. Step 2: Convert to fraction form
    9,278.94/13,918.34 = 3,043.28/x
  3. Step 3: Cross multiply
    9,278.94x = 13,918.34 × 3,043.28
  4. Step 4: Simplify right side
    9,278.94x = 42,357,405.76
  5. Step 5: Solve for x
    x = 42,357,405.76/9,278.94
  6. Step 6: Final answer
    x = 4,564.90

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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.