Home / 8,284.05-11,431.71-4,699.29

Finding the Fourth Proportional to 8,284.05, 11,431.71 and 4,699.29

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Solution

The fourth proportional to 8,284.05, 11,431.71 and 4,699.29 is: 6,484.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,284.05 : 11,431.71 = 4,699.29 : x
  2. Step 2: Convert to fraction form
    8,284.05/11,431.71 = 4,699.29/x
  3. Step 3: Cross multiply
    8,284.05x = 11,431.71 × 4,699.29
  4. Step 4: Simplify right side
    8,284.05x = 53,720,920.49
  5. Step 5: Solve for x
    x = 53,720,920.49/8,284.05
  6. Step 6: Final answer
    x = 6,484.86

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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.