Home / 4,941.47-6,821.71-3,819.87

Finding the Fourth Proportional to 4,941.47, 6,821.71 and 3,819.87

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Solution

The fourth proportional to 4,941.47, 6,821.71 and 3,819.87 is: 5,273.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,941.47 : 6,821.71 = 3,819.87 : x
  2. Step 2: Convert to fraction form
    4,941.47/6,821.71 = 3,819.87/x
  3. Step 3: Cross multiply
    4,941.47x = 6,821.71 × 3,819.87
  4. Step 4: Simplify right side
    4,941.47x = 26,058,045.38
  5. Step 5: Solve for x
    x = 26,058,045.38/4,941.47
  6. Step 6: Final answer
    x = 5,273.34

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1.5x scale

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.