Home / 6,459.21-9,689.63-2,076.03

Finding the Fourth Proportional to 6,459.21, 9,689.63 and 2,076.03

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Solution

The fourth proportional to 6,459.21, 9,689.63 and 2,076.03 is: 3,114.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,459.21 : 9,689.63 = 2,076.03 : x
  2. Step 2: Convert to fraction form
    6,459.21/9,689.63 = 2,076.03/x
  3. Step 3: Cross multiply
    6,459.21x = 9,689.63 × 2,076.03
  4. Step 4: Simplify right side
    6,459.21x = 20,115,952.19
  5. Step 5: Solve for x
    x = 20,115,952.19/6,459.21
  6. Step 6: Final answer
    x = 3,114.31

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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.