Home / 9,271.28-13,906.86-2,345.78

Finding the Fourth Proportional to 9,271.28, 13,906.86 and 2,345.78

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Solution

The fourth proportional to 9,271.28, 13,906.86 and 2,345.78 is: 3,518.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,271.28 : 13,906.86 = 2,345.78 : x
  2. Step 2: Convert to fraction form
    9,271.28/13,906.86 = 2,345.78/x
  3. Step 3: Cross multiply
    9,271.28x = 13,906.86 × 2,345.78
  4. Step 4: Simplify right side
    9,271.28x = 32,622,434.05
  5. Step 5: Solve for x
    x = 32,622,434.05/9,271.28
  6. Step 6: Final answer
    x = 3,518.65

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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.