Home / 7,383.28-10,188.36-4,240.48

Finding the Fourth Proportional to 7,383.28, 10,188.36 and 4,240.48

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Solution

The fourth proportional to 7,383.28, 10,188.36 and 4,240.48 is: 5,851.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,383.28 : 10,188.36 = 4,240.48 : x
  2. Step 2: Convert to fraction form
    7,383.28/10,188.36 = 4,240.48/x
  3. Step 3: Cross multiply
    7,383.28x = 10,188.36 × 4,240.48
  4. Step 4: Simplify right side
    7,383.28x = 43,203,536.81
  5. Step 5: Solve for x
    x = 43,203,536.81/7,383.28
  6. Step 6: Final answer
    x = 5,851.54

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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.