Home / 6,180.80-8,529.36-3,386.24

Finding the Fourth Proportional to 6,180.80, 8,529.36 and 3,386.24

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Solution

The fourth proportional to 6,180.80, 8,529.36 and 3,386.24 is: 4,672.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,180.80 : 8,529.36 = 3,386.24 : x
  2. Step 2: Convert to fraction form
    6,180.80/8,529.36 = 3,386.24/x
  3. Step 3: Cross multiply
    6,180.80x = 8,529.36 × 3,386.24
  4. Step 4: Simplify right side
    6,180.80x = 28,882,460.01
  5. Step 5: Solve for x
    x = 28,882,460.01/6,180.80
  6. Step 6: Final answer
    x = 4,672.93

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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.