Home / 4,518.80-6,235.40-2,529.20

Finding the Fourth Proportional to 4,518.80, 6,235.40 and 2,529.20

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Solution

The fourth proportional to 4,518.80, 6,235.40 and 2,529.20 is: 3,489.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,518.80 : 6,235.40 = 2,529.20 : x
  2. Step 2: Convert to fraction form
    4,518.80/6,235.40 = 2,529.20/x
  3. Step 3: Cross multiply
    4,518.80x = 6,235.40 × 2,529.20
  4. Step 4: Simplify right side
    4,518.80x = 15,770,573.68
  5. Step 5: Solve for x
    x = 15,770,573.68/4,518.80
  6. Step 6: Final answer
    x = 3,489.99

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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.