Home / 4,519.80-6,236.78-2,530.20

Finding the Fourth Proportional to 4,519.80, 6,236.78 and 2,530.20

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Solution

The fourth proportional to 4,519.80, 6,236.78 and 2,530.20 is: 3,491.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,519.80 : 6,236.78 = 2,530.20 : x
  2. Step 2: Convert to fraction form
    4,519.80/6,236.78 = 2,530.20/x
  3. Step 3: Cross multiply
    4,519.80x = 6,236.78 × 2,530.20
  4. Step 4: Simplify right side
    4,519.80x = 15,780,300.76
  5. Step 5: Solve for x
    x = 15,780,300.76/4,519.80
  6. Step 6: Final answer
    x = 3,491.37

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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.