Home / 6,386.56-9,581.05-2,002.84

Finding the Fourth Proportional to 6,386.56, 9,581.05 and 2,002.84

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Solution

The fourth proportional to 6,386.56, 9,581.05 and 2,002.84 is: 3,004.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,386.56 : 9,581.05 = 2,002.84 : x
  2. Step 2: Convert to fraction form
    6,386.56/9,581.05 = 2,002.84/x
  3. Step 3: Cross multiply
    6,386.56x = 9,581.05 × 2,002.84
  4. Step 4: Simplify right side
    6,386.56x = 19,189,310.18
  5. Step 5: Solve for x
    x = 19,189,310.18/6,386.56
  6. Step 6: Final answer
    x = 3,004.64

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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.