Home / 6,819.18-9,411.38-5,055.82

Finding the Fourth Proportional to 6,819.18, 9,411.38 and 5,055.82

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Solution

The fourth proportional to 6,819.18, 9,411.38 and 5,055.82 is: 6,977.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,819.18 : 9,411.38 = 5,055.82 : x
  2. Step 2: Convert to fraction form
    6,819.18/9,411.38 = 5,055.82/x
  3. Step 3: Cross multiply
    6,819.18x = 9,411.38 × 5,055.82
  4. Step 4: Simplify right side
    6,819.18x = 47,582,243.23
  5. Step 5: Solve for x
    x = 47,582,243.23/6,819.18
  6. Step 6: Final answer
    x = 6,977.71

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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.