Home / 4,389.21-6,609.58-3,165.10

Finding the Fourth Proportional to 4,389.21, 6,609.58 and 3,165.10

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Solution

The fourth proportional to 4,389.21, 6,609.58 and 3,165.10 is: 4,766.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,389.21 : 6,609.58 = 3,165.10 : x
  2. Step 2: Convert to fraction form
    4,389.21/6,609.58 = 3,165.10/x
  3. Step 3: Cross multiply
    4,389.21x = 6,609.58 × 3,165.10
  4. Step 4: Simplify right side
    4,389.21x = 20,919,957.22
  5. Step 5: Solve for x
    x = 20,919,957.22/4,389.21
  6. Step 6: Final answer
    x = 4,766.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.