Home / 6,180.68-8,529.38-3,386.28

Finding the Fourth Proportional to 6,180.68, 8,529.38 and 3,386.28

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Solution

The fourth proportional to 6,180.68, 8,529.38 and 3,386.28 is: 4,673.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,180.68 : 8,529.38 = 3,386.28 : x
  2. Step 2: Convert to fraction form
    6,180.68/8,529.38 = 3,386.28/x
  3. Step 3: Cross multiply
    6,180.68x = 8,529.38 × 3,386.28
  4. Step 4: Simplify right side
    6,180.68x = 28,882,868.91
  5. Step 5: Solve for x
    x = 28,882,868.91/6,180.68
  6. Step 6: Final answer
    x = 4,673.09

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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.