Home / 4,957.20-7,426.08-3,220.56

Finding the Fourth Proportional to 4,957.20, 7,426.08 and 3,220.56

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Solution

The fourth proportional to 4,957.20, 7,426.08 and 3,220.56 is: 4,824.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,957.20 : 7,426.08 = 3,220.56 : x
  2. Step 2: Convert to fraction form
    4,957.20/7,426.08 = 3,220.56/x
  3. Step 3: Cross multiply
    4,957.20x = 7,426.08 × 3,220.56
  4. Step 4: Simplify right side
    4,957.20x = 23,916,136.20
  5. Step 5: Solve for x
    x = 23,916,136.20/4,957.20
  6. Step 6: Final answer
    x = 4,824.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.