Home / 4,942-6,821.58-3,548.80

Finding the Fourth Proportional to 4,942, 6,821.58 and 3,548.80

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Solution

The fourth proportional to 4,942, 6,821.58 and 3,548.80 is: 4,898.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,942 : 6,821.58 = 3,548.80 : x
  2. Step 2: Convert to fraction form
    4,942/6,821.58 = 3,548.80/x
  3. Step 3: Cross multiply
    4,942x = 6,821.58 × 3,548.80
  4. Step 4: Simplify right side
    4,942x = 24,208,423.10
  5. Step 5: Solve for x
    x = 24,208,423.10/4,942
  6. Step 6: Final answer
    x = 4,898.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.