Home / 9,808.26-14,715.62-3,145.80

Finding the Fourth Proportional to 9,808.26, 14,715.62 and 3,145.80

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Solution

The fourth proportional to 9,808.26, 14,715.62 and 3,145.80 is: 4,719.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,808.26 : 14,715.62 = 3,145.80 : x
  2. Step 2: Convert to fraction form
    9,808.26/14,715.62 = 3,145.80/x
  3. Step 3: Cross multiply
    9,808.26x = 14,715.62 × 3,145.80
  4. Step 4: Simplify right side
    9,808.26x = 46,292,397.40
  5. Step 5: Solve for x
    x = 46,292,397.40/9,808.26
  6. Step 6: Final answer
    x = 4,719.74

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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.