Home / 9,345.78-14,020.98-2,771.97

Finding the Fourth Proportional to 9,345.78, 14,020.98 and 2,771.97

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Solution

The fourth proportional to 9,345.78, 14,020.98 and 2,771.97 is: 4,158.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,345.78 : 14,020.98 = 2,771.97 : x
  2. Step 2: Convert to fraction form
    9,345.78/14,020.98 = 2,771.97/x
  3. Step 3: Cross multiply
    9,345.78x = 14,020.98 × 2,771.97
  4. Step 4: Simplify right side
    9,345.78x = 38,865,767.42
  5. Step 5: Solve for x
    x = 38,865,767.42/9,345.78
  6. Step 6: Final answer
    x = 4,158.64

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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.