Home / 7,213.36-9,954.68-4,188.24

Finding the Fourth Proportional to 7,213.36, 9,954.68 and 4,188.24

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Solution

The fourth proportional to 7,213.36, 9,954.68 and 4,188.24 is: 5,779.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,213.36 : 9,954.68 = 4,188.24 : x
  2. Step 2: Convert to fraction form
    7,213.36/9,954.68 = 4,188.24/x
  3. Step 3: Cross multiply
    7,213.36x = 9,954.68 × 4,188.24
  4. Step 4: Simplify right side
    7,213.36x = 41,692,588.96
  5. Step 5: Solve for x
    x = 41,692,588.96/7,213.36
  6. Step 6: Final answer
    x = 5,779.91

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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.