Home / 9,278.36-13,914.96-4,345.40

Finding the Fourth Proportional to 9,278.36, 13,914.96 and 4,345.40

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Solution

The fourth proportional to 9,278.36, 13,914.96 and 4,345.40 is: 6,516.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,278.36 : 13,914.96 = 4,345.40 : x
  2. Step 2: Convert to fraction form
    9,278.36/13,914.96 = 4,345.40/x
  3. Step 3: Cross multiply
    9,278.36x = 13,914.96 × 4,345.40
  4. Step 4: Simplify right side
    9,278.36x = 60,466,067.18
  5. Step 5: Solve for x
    x = 60,466,067.18/9,278.36
  6. Step 6: Final answer
    x = 6,516.89

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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.