Home / 9,479.58-13,072.11-6,291.75

Finding the Fourth Proportional to 9,479.58, 13,072.11 and 6,291.75

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Solution

The fourth proportional to 9,479.58, 13,072.11 and 6,291.75 is: 8,676.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,479.58 : 13,072.11 = 6,291.75 : x
  2. Step 2: Convert to fraction form
    9,479.58/13,072.11 = 6,291.75/x
  3. Step 3: Cross multiply
    9,479.58x = 13,072.11 × 6,291.75
  4. Step 4: Simplify right side
    9,479.58x = 82,246,448.09
  5. Step 5: Solve for x
    x = 82,246,448.09/9,479.58
  6. Step 6: Final answer
    x = 8,676.17

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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.