Home / 5,430.34-7,493.92-3,192.31

Finding the Fourth Proportional to 5,430.34, 7,493.92 and 3,192.31

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Solution

The fourth proportional to 5,430.34, 7,493.92 and 3,192.31 is: 4,405.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,430.34 : 7,493.92 = 3,192.31 : x
  2. Step 2: Convert to fraction form
    5,430.34/7,493.92 = 3,192.31/x
  3. Step 3: Cross multiply
    5,430.34x = 7,493.92 × 3,192.31
  4. Step 4: Simplify right side
    5,430.34x = 23,922,917.14
  5. Step 5: Solve for x
    x = 23,922,917.14/5,430.34
  6. Step 6: Final answer
    x = 4,405.42

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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.