Home / 8,434.01-12,619.69-5,299.34

Finding the Fourth Proportional to 8,434.01, 12,619.69 and 5,299.34

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Solution

The fourth proportional to 8,434.01, 12,619.69 and 5,299.34 is: 7,929.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,434.01 : 12,619.69 = 5,299.34 : x
  2. Step 2: Convert to fraction form
    8,434.01/12,619.69 = 5,299.34/x
  3. Step 3: Cross multiply
    8,434.01x = 12,619.69 × 5,299.34
  4. Step 4: Simplify right side
    8,434.01x = 66,876,028.00
  5. Step 5: Solve for x
    x = 66,876,028.00/8,434.01
  6. Step 6: Final answer
    x = 7,929.33

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1.5x scale

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.