Home / 6,009.48-9,003.90-5,400.78

Finding the Fourth Proportional to 6,009.48, 9,003.90 and 5,400.78

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Solution

The fourth proportional to 6,009.48, 9,003.90 and 5,400.78 is: 8,091.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,009.48 : 9,003.90 = 5,400.78 : x
  2. Step 2: Convert to fraction form
    6,009.48/9,003.90 = 5,400.78/x
  3. Step 3: Cross multiply
    6,009.48x = 9,003.90 × 5,400.78
  4. Step 4: Simplify right side
    6,009.48x = 48,628,083.04
  5. Step 5: Solve for x
    x = 48,628,083.04/6,009.48
  6. Step 6: Final answer
    x = 8,091.90

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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.