Home / 4,674.13-6,989.88-3,489.01

Finding the Fourth Proportional to 4,674.13, 6,989.88 and 3,489.01

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Solution

The fourth proportional to 4,674.13, 6,989.88 and 3,489.01 is: 5,217.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,674.13 : 6,989.88 = 3,489.01 : x
  2. Step 2: Convert to fraction form
    4,674.13/6,989.88 = 3,489.01/x
  3. Step 3: Cross multiply
    4,674.13x = 6,989.88 × 3,489.01
  4. Step 4: Simplify right side
    4,674.13x = 24,387,743.77
  5. Step 5: Solve for x
    x = 24,387,743.77/4,674.13
  6. Step 6: Final answer
    x = 5,217.60

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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.