Home / 4,220.01-6,323.53-1,621.53

Finding the Fourth Proportional to 4,220.01, 6,323.53 and 1,621.53

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Solution

The fourth proportional to 4,220.01, 6,323.53 and 1,621.53 is: 2,429.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,220.01 : 6,323.53 = 1,621.53 : x
  2. Step 2: Convert to fraction form
    4,220.01/6,323.53 = 1,621.53/x
  3. Step 3: Cross multiply
    4,220.01x = 6,323.53 × 1,621.53
  4. Step 4: Simplify right side
    4,220.01x = 10,253,793.60
  5. Step 5: Solve for x
    x = 10,253,793.60/4,220.01
  6. Step 6: Final answer
    x = 2,429.80

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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.