Home / 4,529.05-6,811.80-4,055.20

Finding the Fourth Proportional to 4,529.05, 6,811.80 and 4,055.20

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Solution

The fourth proportional to 4,529.05, 6,811.80 and 4,055.20 is: 6,099.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,529.05 : 6,811.80 = 4,055.20 : x
  2. Step 2: Convert to fraction form
    4,529.05/6,811.80 = 4,055.20/x
  3. Step 3: Cross multiply
    4,529.05x = 6,811.80 × 4,055.20
  4. Step 4: Simplify right side
    4,529.05x = 27,623,211.36
  5. Step 5: Solve for x
    x = 27,623,211.36/4,529.05
  6. Step 6: Final answer
    x = 6,099.12

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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.