Home / 5,430.48-7,493.94-3,040.30

Finding the Fourth Proportional to 5,430.48, 7,493.94 and 3,040.30

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Solution

The fourth proportional to 5,430.48, 7,493.94 and 3,040.30 is: 4,195.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,430.48 : 7,493.94 = 3,040.30 : x
  2. Step 2: Convert to fraction form
    5,430.48/7,493.94 = 3,040.30/x
  3. Step 3: Cross multiply
    5,430.48x = 7,493.94 × 3,040.30
  4. Step 4: Simplify right side
    5,430.48x = 22,783,825.78
  5. Step 5: Solve for x
    x = 22,783,825.78/5,430.48
  6. Step 6: Final answer
    x = 4,195.55

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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.