Home / 4,220.56-5,818.93-3,461.55

Finding the Fourth Proportional to 4,220.56, 5,818.93 and 3,461.55

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Solution

The fourth proportional to 4,220.56, 5,818.93 and 3,461.55 is: 4,772.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,220.56 : 5,818.93 = 3,461.55 : x
  2. Step 2: Convert to fraction form
    4,220.56/5,818.93 = 3,461.55/x
  3. Step 3: Cross multiply
    4,220.56x = 5,818.93 × 3,461.55
  4. Step 4: Simplify right side
    4,220.56x = 20,142,517.14
  5. Step 5: Solve for x
    x = 20,142,517.14/4,220.56
  6. Step 6: Final answer
    x = 4,772.48

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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.