Home / 4,497.72-6,713.27-4,220.70

Finding the Fourth Proportional to 4,497.72, 6,713.27 and 4,220.70

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Solution

The fourth proportional to 4,497.72, 6,713.27 and 4,220.70 is: 6,299.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,497.72 : 6,713.27 = 4,220.70 : x
  2. Step 2: Convert to fraction form
    4,497.72/6,713.27 = 4,220.70/x
  3. Step 3: Cross multiply
    4,497.72x = 6,713.27 × 4,220.70
  4. Step 4: Simplify right side
    4,497.72x = 28,334,698.69
  5. Step 5: Solve for x
    x = 28,334,698.69/4,497.72
  6. Step 6: Final answer
    x = 6,299.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.