Home / 4,812.28-6,619.98-4,212.28

Finding the Fourth Proportional to 4,812.28, 6,619.98 and 4,212.28

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Solution

The fourth proportional to 4,812.28, 6,619.98 and 4,212.28 is: 5,794.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,812.28 : 6,619.98 = 4,212.28 : x
  2. Step 2: Convert to fraction form
    4,812.28/6,619.98 = 4,212.28/x
  3. Step 3: Cross multiply
    4,812.28x = 6,619.98 × 4,212.28
  4. Step 4: Simplify right side
    4,812.28x = 27,885,209.35
  5. Step 5: Solve for x
    x = 27,885,209.35/4,812.28
  6. Step 6: Final answer
    x = 5,794.59

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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.