Home / 6,387.15-9,581.14-2,004.78

Finding the Fourth Proportional to 6,387.15, 9,581.14 and 2,004.78

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Solution

The fourth proportional to 6,387.15, 9,581.14 and 2,004.78 is: 3,007.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,387.15 : 9,581.14 = 2,004.78 : x
  2. Step 2: Convert to fraction form
    6,387.15/9,581.14 = 2,004.78/x
  3. Step 3: Cross multiply
    6,387.15x = 9,581.14 × 2,004.78
  4. Step 4: Simplify right side
    6,387.15x = 19,208,105.01
  5. Step 5: Solve for x
    x = 19,208,105.01/6,387.15
  6. Step 6: Final answer
    x = 3,007.30

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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.