Home / 9,799.26-13,519.40-6,443.88

Finding the Fourth Proportional to 9,799.26, 13,519.40 and 6,443.88

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Solution

The fourth proportional to 9,799.26, 13,519.40 and 6,443.88 is: 8,890.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,799.26 : 13,519.40 = 6,443.88 : x
  2. Step 2: Convert to fraction form
    9,799.26/13,519.40 = 6,443.88/x
  3. Step 3: Cross multiply
    9,799.26x = 13,519.40 × 6,443.88
  4. Step 4: Simplify right side
    9,799.26x = 87,117,391.27
  5. Step 5: Solve for x
    x = 87,117,391.27/9,799.26
  6. Step 6: Final answer
    x = 8,890.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.