Home / 6,386.58-9,581.49-2,004.21

Finding the Fourth Proportional to 6,386.58, 9,581.49 and 2,004.21

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Solution

The fourth proportional to 6,386.58, 9,581.49 and 2,004.21 is: 3,006.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,386.58 : 9,581.49 = 2,004.21 : x
  2. Step 2: Convert to fraction form
    6,386.58/9,581.49 = 2,004.21/x
  3. Step 3: Cross multiply
    6,386.58x = 9,581.49 × 2,004.21
  4. Step 4: Simplify right side
    6,386.58x = 19,203,318.07
  5. Step 5: Solve for x
    x = 19,203,318.07/6,386.58
  6. Step 6: Final answer
    x = 3,006.82

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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.