Home / 4,423-6,634.18-1,648.39

Finding the Fourth Proportional to 4,423, 6,634.18 and 1,648.39

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Solution

The fourth proportional to 4,423, 6,634.18 and 1,648.39 is: 2,472.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,423 : 6,634.18 = 1,648.39 : x
  2. Step 2: Convert to fraction form
    4,423/6,634.18 = 1,648.39/x
  3. Step 3: Cross multiply
    4,423x = 6,634.18 × 1,648.39
  4. Step 4: Simplify right side
    4,423x = 10,935,715.97
  5. Step 5: Solve for x
    x = 10,935,715.97/4,423
  6. Step 6: Final answer
    x = 2,472.47

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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.