Home / 4,086.48-6,129.56-1,008.48

Finding the Fourth Proportional to 4,086.48, 6,129.56 and 1,008.48

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Solution

The fourth proportional to 4,086.48, 6,129.56 and 1,008.48 is: 1,512.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,086.48 : 6,129.56 = 1,008.48 : x
  2. Step 2: Convert to fraction form
    4,086.48/6,129.56 = 1,008.48/x
  3. Step 3: Cross multiply
    4,086.48x = 6,129.56 × 1,008.48
  4. Step 4: Simplify right side
    4,086.48x = 6,181,538.67
  5. Step 5: Solve for x
    x = 6,181,538.67/4,086.48
  6. Step 6: Final answer
    x = 1,512.68

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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.