Home / 5,836.40-8,756.04-2,140.64

Finding the Fourth Proportional to 5,836.40, 8,756.04 and 2,140.64

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Solution

The fourth proportional to 5,836.40, 8,756.04 and 2,140.64 is: 3,211.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,836.40 : 8,756.04 = 2,140.64 : x
  2. Step 2: Convert to fraction form
    5,836.40/8,756.04 = 2,140.64/x
  3. Step 3: Cross multiply
    5,836.40x = 8,756.04 × 2,140.64
  4. Step 4: Simplify right side
    5,836.40x = 18,743,529.47
  5. Step 5: Solve for x
    x = 18,743,529.47/5,836.40
  6. Step 6: Final answer
    x = 3,211.49

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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.