Home / 4,509.56-6,221.72-2,519.76

Finding the Fourth Proportional to 4,509.56, 6,221.72 and 2,519.76

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Solution

The fourth proportional to 4,509.56, 6,221.72 and 2,519.76 is: 3,476.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,509.56 : 6,221.72 = 2,519.76 : x
  2. Step 2: Convert to fraction form
    4,509.56/6,221.72 = 2,519.76/x
  3. Step 3: Cross multiply
    4,509.56x = 6,221.72 × 2,519.76
  4. Step 4: Simplify right side
    4,509.56x = 15,677,241.19
  5. Step 5: Solve for x
    x = 15,677,241.19/4,509.56
  6. Step 6: Final answer
    x = 3,476.45

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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.