Home / 4,423.68-6,636-1,651.20

Finding the Fourth Proportional to 4,423.68, 6,636 and 1,651.20

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Solution

The fourth proportional to 4,423.68, 6,636 and 1,651.20 is: 2,476.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,423.68 : 6,636 = 1,651.20 : x
  2. Step 2: Convert to fraction form
    4,423.68/6,636 = 1,651.20/x
  3. Step 3: Cross multiply
    4,423.68x = 6,636 × 1,651.20
  4. Step 4: Simplify right side
    4,423.68x = 10,957,363.20
  5. Step 5: Solve for x
    x = 10,957,363.20/4,423.68
  6. Step 6: Final answer
    x = 2,476.98

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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.