Home / 4,908.08-7,361.61-1,621.71

Finding the Fourth Proportional to 4,908.08, 7,361.61 and 1,621.71

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Solution

The fourth proportional to 4,908.08, 7,361.61 and 1,621.71 is: 2,432.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,908.08 : 7,361.61 = 1,621.71 : x
  2. Step 2: Convert to fraction form
    4,908.08/7,361.61 = 1,621.71/x
  3. Step 3: Cross multiply
    4,908.08x = 7,361.61 × 1,621.71
  4. Step 4: Simplify right side
    4,908.08x = 11,938,396.55
  5. Step 5: Solve for x
    x = 11,938,396.55/4,908.08
  6. Step 6: Final answer
    x = 2,432.40

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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.