Home / 6,141.76-9,210.78-3,218.44

Finding the Fourth Proportional to 6,141.76, 9,210.78 and 3,218.44

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Solution

The fourth proportional to 6,141.76, 9,210.78 and 3,218.44 is: 4,826.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,141.76 : 9,210.78 = 3,218.44 : x
  2. Step 2: Convert to fraction form
    6,141.76/9,210.78 = 3,218.44/x
  3. Step 3: Cross multiply
    6,141.76x = 9,210.78 × 3,218.44
  4. Step 4: Simplify right side
    6,141.76x = 29,644,342.78
  5. Step 5: Solve for x
    x = 29,644,342.78/6,141.76
  6. Step 6: Final answer
    x = 4,826.69

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1.5x scale

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.