Home / 4,741.57-7,113.46-1,621.60

Finding the Fourth Proportional to 4,741.57, 7,113.46 and 1,621.60

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Solution

The fourth proportional to 4,741.57, 7,113.46 and 1,621.60 is: 2,432.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,741.57 : 7,113.46 = 1,621.60 : x
  2. Step 2: Convert to fraction form
    4,741.57/7,113.46 = 1,621.60/x
  3. Step 3: Cross multiply
    4,741.57x = 7,113.46 × 1,621.60
  4. Step 4: Simplify right side
    4,741.57x = 11,535,164.90
  5. Step 5: Solve for x
    x = 11,535,164.90/4,741.57
  6. Step 6: Final answer
    x = 2,432.77

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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.